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  • Committer: Canonical.com Patch Queue Manager
  • Date: 2006-08-17 07:52:09 UTC
  • mfrom: (1910.3.4 trivial)
  • Revision ID: pqm@pqm.ubuntu.com-20060817075209-e85a1f9e05ff8b87
(andrew) Trivial fixes to NotImplemented errors.

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1
 
# Copyright (C) 2006, 2007 Canonical Ltd
2
 
#
3
 
# This program is free software; you can redistribute it and/or modify
4
 
# it under the terms of the GNU General Public License as published by
5
 
# the Free Software Foundation; either version 2 of the License, or
6
 
# (at your option) any later version.
7
 
#
8
 
# This program is distributed in the hope that it will be useful,
9
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
 
# GNU General Public License for more details.
12
 
#
13
 
# You should have received a copy of the GNU General Public License
14
 
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
 
 
17
 
"""Tests of the dirstate functionality being built for WorkingTreeFormat4."""
18
 
 
19
 
import bisect
20
 
import os
21
 
import time
22
 
 
23
 
from bzrlib import (
24
 
    dirstate,
25
 
    errors,
26
 
    osutils,
27
 
    )
28
 
from bzrlib.memorytree import MemoryTree
29
 
from bzrlib.osutils import has_symlinks
30
 
from bzrlib.tests import (
31
 
        TestCase,
32
 
        TestCaseWithTransport,
33
 
        TestSkipped,
34
 
        )
35
 
 
36
 
 
37
 
# TODO:
38
 
# TESTS to write:
39
 
# general checks for NOT_IN_MEMORY error conditions.
40
 
# set_path_id on a NOT_IN_MEMORY dirstate
41
 
# set_path_id  unicode support
42
 
# set_path_id  setting id of a path not root
43
 
# set_path_id  setting id when there are parents without the id in the parents
44
 
# set_path_id  setting id when there are parents with the id in the parents
45
 
# set_path_id  setting id when state is not in memory
46
 
# set_path_id  setting id when state is in memory unmodified
47
 
# set_path_id  setting id when state is in memory modified
48
 
 
49
 
 
50
 
class TestCaseWithDirState(TestCaseWithTransport):
51
 
    """Helper functions for creating DirState objects with various content."""
52
 
 
53
 
    def create_empty_dirstate(self):
54
 
        """Return a locked but empty dirstate"""
55
 
        state = dirstate.DirState.initialize('dirstate')
56
 
        return state
57
 
 
58
 
    def create_dirstate_with_root(self):
59
 
        """Return a write-locked state with a single root entry."""
60
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
61
 
        root_entry_direntry = ('', '', 'a-root-value'), [
62
 
            ('d', '', 0, False, packed_stat),
63
 
            ]
64
 
        dirblocks = []
65
 
        dirblocks.append(('', [root_entry_direntry]))
66
 
        dirblocks.append(('', []))
67
 
        state = self.create_empty_dirstate()
68
 
        try:
69
 
            state._set_data([], dirblocks)
70
 
            state._validate()
71
 
        except:
72
 
            state.unlock()
73
 
            raise
74
 
        return state
75
 
 
76
 
    def create_dirstate_with_root_and_subdir(self):
77
 
        """Return a locked DirState with a root and a subdir"""
78
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
79
 
        subdir_entry = ('', 'subdir', 'subdir-id'), [
80
 
            ('d', '', 0, False, packed_stat),
81
 
            ]
82
 
        state = self.create_dirstate_with_root()
83
 
        try:
84
 
            dirblocks = list(state._dirblocks)
85
 
            dirblocks[1][1].append(subdir_entry)
86
 
            state._set_data([], dirblocks)
87
 
        except:
88
 
            state.unlock()
89
 
            raise
90
 
        return state
91
 
 
92
 
    def create_complex_dirstate(self):
93
 
        """This dirstate contains multiple files and directories.
94
 
 
95
 
         /        a-root-value
96
 
         a/       a-dir
97
 
         b/       b-dir
98
 
         c        c-file
99
 
         d        d-file
100
 
         a/e/     e-dir
101
 
         a/f      f-file
102
 
         b/g      g-file
103
 
         b/h\xc3\xa5  h-\xc3\xa5-file  #This is u'\xe5' encoded into utf-8
104
 
 
105
 
        Notice that a/e is an empty directory.
106
 
 
107
 
        :return: The dirstate, still write-locked.
108
 
        """
109
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
110
 
        null_sha = 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'
111
 
        root_entry = ('', '', 'a-root-value'), [
112
 
            ('d', '', 0, False, packed_stat),
113
 
            ]
114
 
        a_entry = ('', 'a', 'a-dir'), [
115
 
            ('d', '', 0, False, packed_stat),
116
 
            ]
117
 
        b_entry = ('', 'b', 'b-dir'), [
118
 
            ('d', '', 0, False, packed_stat),
119
 
            ]
120
 
        c_entry = ('', 'c', 'c-file'), [
121
 
            ('f', null_sha, 10, False, packed_stat),
122
 
            ]
123
 
        d_entry = ('', 'd', 'd-file'), [
124
 
            ('f', null_sha, 20, False, packed_stat),
125
 
            ]
126
 
        e_entry = ('a', 'e', 'e-dir'), [
127
 
            ('d', '', 0, False, packed_stat),
128
 
            ]
129
 
        f_entry = ('a', 'f', 'f-file'), [
130
 
            ('f', null_sha, 30, False, packed_stat),
131
 
            ]
132
 
        g_entry = ('b', 'g', 'g-file'), [
133
 
            ('f', null_sha, 30, False, packed_stat),
134
 
            ]
135
 
        h_entry = ('b', 'h\xc3\xa5', 'h-\xc3\xa5-file'), [
136
 
            ('f', null_sha, 40, False, packed_stat),
137
 
            ]
138
 
        dirblocks = []
139
 
        dirblocks.append(('', [root_entry]))
140
 
        dirblocks.append(('', [a_entry, b_entry, c_entry, d_entry]))
141
 
        dirblocks.append(('a', [e_entry, f_entry]))
142
 
        dirblocks.append(('b', [g_entry, h_entry]))
143
 
        state = dirstate.DirState.initialize('dirstate')
144
 
        state._validate()
145
 
        try:
146
 
            state._set_data([], dirblocks)
147
 
        except:
148
 
            state.unlock()
149
 
            raise
150
 
        return state
151
 
 
152
 
    def check_state_with_reopen(self, expected_result, state):
153
 
        """Check that state has current state expected_result.
154
 
 
155
 
        This will check the current state, open the file anew and check it
156
 
        again.
157
 
        This function expects the current state to be locked for writing, and
158
 
        will unlock it before re-opening.
159
 
        This is required because we can't open a lock_read() while something
160
 
        else has a lock_write().
161
 
            write => mutually exclusive lock
162
 
            read => shared lock
163
 
        """
164
 
        # The state should already be write locked, since we just had to do
165
 
        # some operation to get here.
166
 
        assert state._lock_token is not None
167
 
        try:
168
 
            self.assertEqual(expected_result[0],  state.get_parent_ids())
169
 
            # there should be no ghosts in this tree.
170
 
            self.assertEqual([], state.get_ghosts())
171
 
            # there should be one fileid in this tree - the root of the tree.
172
 
            self.assertEqual(expected_result[1], list(state._iter_entries()))
173
 
            state.save()
174
 
        finally:
175
 
            state.unlock()
176
 
        del state
177
 
        state = dirstate.DirState.on_file('dirstate')
178
 
        state.lock_read()
179
 
        try:
180
 
            self.assertEqual(expected_result[1], list(state._iter_entries()))
181
 
        finally:
182
 
            state.unlock()
183
 
 
184
 
    def create_basic_dirstate(self):
185
 
        """Create a dirstate with a few files and directories.
186
 
 
187
 
            a
188
 
            b/
189
 
              c
190
 
              d/
191
 
                e
192
 
            b-c
193
 
            f
194
 
        """
195
 
        tree = self.make_branch_and_tree('tree')
196
 
        paths = ['a', 'b/', 'b/c', 'b/d/', 'b/d/e', 'b-c', 'f']
197
 
        file_ids = ['a-id', 'b-id', 'c-id', 'd-id', 'e-id', 'b-c-id', 'f-id']
198
 
        self.build_tree(['tree/' + p for p in paths])
199
 
        tree.set_root_id('TREE_ROOT')
200
 
        tree.add([p.rstrip('/') for p in paths], file_ids)
201
 
        tree.commit('initial', rev_id='rev-1')
202
 
        revision_id = 'rev-1'
203
 
        # a_packed_stat = dirstate.pack_stat(os.stat('tree/a'))
204
 
        t = self.get_transport('tree')
205
 
        a_text = t.get_bytes('a')
206
 
        a_sha = osutils.sha_string(a_text)
207
 
        a_len = len(a_text)
208
 
        # b_packed_stat = dirstate.pack_stat(os.stat('tree/b'))
209
 
        # c_packed_stat = dirstate.pack_stat(os.stat('tree/b/c'))
210
 
        c_text = t.get_bytes('b/c')
211
 
        c_sha = osutils.sha_string(c_text)
212
 
        c_len = len(c_text)
213
 
        # d_packed_stat = dirstate.pack_stat(os.stat('tree/b/d'))
214
 
        # e_packed_stat = dirstate.pack_stat(os.stat('tree/b/d/e'))
215
 
        e_text = t.get_bytes('b/d/e')
216
 
        e_sha = osutils.sha_string(e_text)
217
 
        e_len = len(e_text)
218
 
        b_c_text = t.get_bytes('b-c')
219
 
        b_c_sha = osutils.sha_string(b_c_text)
220
 
        b_c_len = len(b_c_text)
221
 
        # f_packed_stat = dirstate.pack_stat(os.stat('tree/f'))
222
 
        f_text = t.get_bytes('f')
223
 
        f_sha = osutils.sha_string(f_text)
224
 
        f_len = len(f_text)
225
 
        null_stat = dirstate.DirState.NULLSTAT
226
 
        expected = {
227
 
            '':(('', '', 'TREE_ROOT'), [
228
 
                  ('d', '', 0, False, null_stat),
229
 
                  ('d', '', 0, False, revision_id),
230
 
                ]),
231
 
            'a':(('', 'a', 'a-id'), [
232
 
                   ('f', '', 0, False, null_stat),
233
 
                   ('f', a_sha, a_len, False, revision_id),
234
 
                 ]),
235
 
            'b':(('', 'b', 'b-id'), [
236
 
                  ('d', '', 0, False, null_stat),
237
 
                  ('d', '', 0, False, revision_id),
238
 
                 ]),
239
 
            'b/c':(('b', 'c', 'c-id'), [
240
 
                    ('f', '', 0, False, null_stat),
241
 
                    ('f', c_sha, c_len, False, revision_id),
242
 
                   ]),
243
 
            'b/d':(('b', 'd', 'd-id'), [
244
 
                    ('d', '', 0, False, null_stat),
245
 
                    ('d', '', 0, False, revision_id),
246
 
                   ]),
247
 
            'b/d/e':(('b/d', 'e', 'e-id'), [
248
 
                      ('f', '', 0, False, null_stat),
249
 
                      ('f', e_sha, e_len, False, revision_id),
250
 
                     ]),
251
 
            'b-c':(('', 'b-c', 'b-c-id'), [
252
 
                      ('f', '', 0, False, null_stat),
253
 
                      ('f', b_c_sha, b_c_len, False, revision_id),
254
 
                     ]),
255
 
            'f':(('', 'f', 'f-id'), [
256
 
                  ('f', '', 0, False, null_stat),
257
 
                  ('f', f_sha, f_len, False, revision_id),
258
 
                 ]),
259
 
        }
260
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
261
 
        try:
262
 
            state.save()
263
 
        finally:
264
 
            state.unlock()
265
 
        # Use a different object, to make sure nothing is pre-cached in memory.
266
 
        state = dirstate.DirState.on_file('dirstate')
267
 
        state.lock_read()
268
 
        self.addCleanup(state.unlock)
269
 
        self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
270
 
                         state._dirblock_state)
271
 
        # This is code is only really tested if we actually have to make more
272
 
        # than one read, so set the page size to something smaller.
273
 
        # We want it to contain about 2.2 records, so that we have a couple
274
 
        # records that we can read per attempt
275
 
        state._bisect_page_size = 200
276
 
        return tree, state, expected
277
 
 
278
 
    def create_duplicated_dirstate(self):
279
 
        """Create a dirstate with a deleted and added entries.
280
 
 
281
 
        This grabs a basic_dirstate, and then removes and re adds every entry
282
 
        with a new file id.
283
 
        """
284
 
        tree, state, expected = self.create_basic_dirstate()
285
 
        # Now we will just remove and add every file so we get an extra entry
286
 
        # per entry. Unversion in reverse order so we handle subdirs
287
 
        tree.unversion(['f-id', 'b-c-id', 'e-id', 'd-id', 'c-id', 'b-id', 'a-id'])
288
 
        tree.add(['a', 'b', 'b/c', 'b/d', 'b/d/e', 'b-c', 'f'],
289
 
                 ['a-id2', 'b-id2', 'c-id2', 'd-id2', 'e-id2', 'b-c-id2', 'f-id2'])
290
 
 
291
 
        # Update the expected dictionary.
292
 
        for path in ['a', 'b', 'b/c', 'b/d', 'b/d/e', 'b-c', 'f']:
293
 
            orig = expected[path]
294
 
            path2 = path + '2'
295
 
            # This record was deleted in the current tree
296
 
            expected[path] = (orig[0], [dirstate.DirState.NULL_PARENT_DETAILS,
297
 
                                        orig[1][1]])
298
 
            new_key = (orig[0][0], orig[0][1], orig[0][2]+'2')
299
 
            # And didn't exist in the basis tree
300
 
            expected[path2] = (new_key, [orig[1][0],
301
 
                                         dirstate.DirState.NULL_PARENT_DETAILS])
302
 
 
303
 
        # We will replace the 'dirstate' file underneath 'state', but that is
304
 
        # okay as lock as we unlock 'state' first.
305
 
        state.unlock()
306
 
        try:
307
 
            new_state = dirstate.DirState.from_tree(tree, 'dirstate')
308
 
            try:
309
 
                new_state.save()
310
 
            finally:
311
 
                new_state.unlock()
312
 
        finally:
313
 
            # But we need to leave state in a read-lock because we already have
314
 
            # a cleanup scheduled
315
 
            state.lock_read()
316
 
        return tree, state, expected
317
 
 
318
 
    def create_renamed_dirstate(self):
319
 
        """Create a dirstate with a few internal renames.
320
 
 
321
 
        This takes the basic dirstate, and moves the paths around.
322
 
        """
323
 
        tree, state, expected = self.create_basic_dirstate()
324
 
        # Rename a file
325
 
        tree.rename_one('a', 'b/g')
326
 
        # And a directory
327
 
        tree.rename_one('b/d', 'h')
328
 
 
329
 
        old_a = expected['a']
330
 
        expected['a'] = (old_a[0], [('r', 'b/g', 0, False, ''), old_a[1][1]])
331
 
        expected['b/g'] = (('b', 'g', 'a-id'), [old_a[1][0],
332
 
                                                ('r', 'a', 0, False, '')])
333
 
        old_d = expected['b/d']
334
 
        expected['b/d'] = (old_d[0], [('r', 'h', 0, False, ''), old_d[1][1]])
335
 
        expected['h'] = (('', 'h', 'd-id'), [old_d[1][0],
336
 
                                             ('r', 'b/d', 0, False, '')])
337
 
 
338
 
        old_e = expected['b/d/e']
339
 
        expected['b/d/e'] = (old_e[0], [('r', 'h/e', 0, False, ''),
340
 
                             old_e[1][1]])
341
 
        expected['h/e'] = (('h', 'e', 'e-id'), [old_e[1][0],
342
 
                                                ('r', 'b/d/e', 0, False, '')])
343
 
 
344
 
        state.unlock()
345
 
        try:
346
 
            new_state = dirstate.DirState.from_tree(tree, 'dirstate')
347
 
            try:
348
 
                new_state.save()
349
 
            finally:
350
 
                new_state.unlock()
351
 
        finally:
352
 
            state.lock_read()
353
 
        return tree, state, expected
354
 
 
355
 
 
356
 
class TestTreeToDirState(TestCaseWithDirState):
357
 
 
358
 
    def test_empty_to_dirstate(self):
359
 
        """We should be able to create a dirstate for an empty tree."""
360
 
        # There are no files on disk and no parents
361
 
        tree = self.make_branch_and_tree('tree')
362
 
        expected_result = ([], [
363
 
            (('', '', tree.path2id('')), # common details
364
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
365
 
             ])])
366
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
367
 
        state._validate()
368
 
        self.check_state_with_reopen(expected_result, state)
369
 
 
370
 
    def test_1_parents_empty_to_dirstate(self):
371
 
        # create a parent by doing a commit
372
 
        tree = self.make_branch_and_tree('tree')
373
 
        rev_id = tree.commit('first post').encode('utf8')
374
 
        root_stat_pack = dirstate.pack_stat(os.stat(tree.basedir))
375
 
        expected_result = ([rev_id], [
376
 
            (('', '', tree.path2id('')), # common details
377
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
378
 
              ('d', '', 0, False, rev_id), # first parent details
379
 
             ])])
380
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
381
 
        self.check_state_with_reopen(expected_result, state)
382
 
        state.lock_read()
383
 
        try:
384
 
            state._validate()
385
 
        finally:
386
 
            state.unlock()
387
 
 
388
 
    def test_2_parents_empty_to_dirstate(self):
389
 
        # create a parent by doing a commit
390
 
        tree = self.make_branch_and_tree('tree')
391
 
        rev_id = tree.commit('first post')
392
 
        tree2 = tree.bzrdir.sprout('tree2').open_workingtree()
393
 
        rev_id2 = tree2.commit('second post', allow_pointless=True)
394
 
        tree.merge_from_branch(tree2.branch)
395
 
        expected_result = ([rev_id, rev_id2], [
396
 
            (('', '', tree.path2id('')), # common details
397
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
398
 
              ('d', '', 0, False, rev_id), # first parent details
399
 
              ('d', '', 0, False, rev_id2), # second parent details
400
 
             ])])
401
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
402
 
        self.check_state_with_reopen(expected_result, state)
403
 
        state.lock_read()
404
 
        try:
405
 
            state._validate()
406
 
        finally:
407
 
            state.unlock()
408
 
 
409
 
    def test_empty_unknowns_are_ignored_to_dirstate(self):
410
 
        """We should be able to create a dirstate for an empty tree."""
411
 
        # There are no files on disk and no parents
412
 
        tree = self.make_branch_and_tree('tree')
413
 
        self.build_tree(['tree/unknown'])
414
 
        expected_result = ([], [
415
 
            (('', '', tree.path2id('')), # common details
416
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
417
 
             ])])
418
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
419
 
        self.check_state_with_reopen(expected_result, state)
420
 
 
421
 
    def get_tree_with_a_file(self):
422
 
        tree = self.make_branch_and_tree('tree')
423
 
        self.build_tree(['tree/a file'])
424
 
        tree.add('a file', 'a file id')
425
 
        return tree
426
 
 
427
 
    def test_non_empty_no_parents_to_dirstate(self):
428
 
        """We should be able to create a dirstate for an empty tree."""
429
 
        # There are files on disk and no parents
430
 
        tree = self.get_tree_with_a_file()
431
 
        expected_result = ([], [
432
 
            (('', '', tree.path2id('')), # common details
433
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
434
 
             ]),
435
 
            (('', 'a file', 'a file id'), # common
436
 
             [('f', '', 0, False, dirstate.DirState.NULLSTAT), # current
437
 
             ]),
438
 
            ])
439
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
440
 
        self.check_state_with_reopen(expected_result, state)
441
 
 
442
 
    def test_1_parents_not_empty_to_dirstate(self):
443
 
        # create a parent by doing a commit
444
 
        tree = self.get_tree_with_a_file()
445
 
        rev_id = tree.commit('first post').encode('utf8')
446
 
        # change the current content to be different this will alter stat, sha
447
 
        # and length:
448
 
        self.build_tree_contents([('tree/a file', 'new content\n')])
449
 
        expected_result = ([rev_id], [
450
 
            (('', '', tree.path2id('')), # common details
451
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
452
 
              ('d', '', 0, False, rev_id), # first parent details
453
 
             ]),
454
 
            (('', 'a file', 'a file id'), # common
455
 
             [('f', '', 0, False, dirstate.DirState.NULLSTAT), # current
456
 
              ('f', 'c3ed76e4bfd45ff1763ca206055bca8e9fc28aa8', 24, False,
457
 
               rev_id), # first parent
458
 
             ]),
459
 
            ])
460
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
461
 
        self.check_state_with_reopen(expected_result, state)
462
 
 
463
 
    def test_2_parents_not_empty_to_dirstate(self):
464
 
        # create a parent by doing a commit
465
 
        tree = self.get_tree_with_a_file()
466
 
        rev_id = tree.commit('first post').encode('utf8')
467
 
        tree2 = tree.bzrdir.sprout('tree2').open_workingtree()
468
 
        # change the current content to be different this will alter stat, sha
469
 
        # and length:
470
 
        self.build_tree_contents([('tree2/a file', 'merge content\n')])
471
 
        rev_id2 = tree2.commit('second post').encode('utf8')
472
 
        tree.merge_from_branch(tree2.branch)
473
 
        # change the current content to be different this will alter stat, sha
474
 
        # and length again, giving us three distinct values:
475
 
        self.build_tree_contents([('tree/a file', 'new content\n')])
476
 
        expected_result = ([rev_id, rev_id2], [
477
 
            (('', '', tree.path2id('')), # common details
478
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
479
 
              ('d', '', 0, False, rev_id), # first parent details
480
 
              ('d', '', 0, False, rev_id2), # second parent details
481
 
             ]),
482
 
            (('', 'a file', 'a file id'), # common
483
 
             [('f', '', 0, False, dirstate.DirState.NULLSTAT), # current
484
 
              ('f', 'c3ed76e4bfd45ff1763ca206055bca8e9fc28aa8', 24, False,
485
 
               rev_id), # first parent
486
 
              ('f', '314d796174c9412647c3ce07dfb5d36a94e72958', 14, False,
487
 
               rev_id2), # second parent
488
 
             ]),
489
 
            ])
490
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
491
 
        self.check_state_with_reopen(expected_result, state)
492
 
 
493
 
    def test_colliding_fileids(self):
494
 
        # test insertion of parents creating several entries at the same path.
495
 
        # we used to have a bug where they could cause the dirstate to break
496
 
        # its ordering invariants.
497
 
        # create some trees to test from
498
 
        parents = []
499
 
        for i in range(7):
500
 
            tree = self.make_branch_and_tree('tree%d' % i)
501
 
            self.build_tree(['tree%d/name' % i,])
502
 
            tree.add(['name'], ['file-id%d' % i])
503
 
            revision_id = 'revid-%d' % i
504
 
            tree.commit('message', rev_id=revision_id)
505
 
            parents.append((revision_id,
506
 
                tree.branch.repository.revision_tree(revision_id)))
507
 
        # now fold these trees into a dirstate
508
 
        state = dirstate.DirState.initialize('dirstate')
509
 
        try:
510
 
            state.set_parent_trees(parents, [])
511
 
            state._validate()
512
 
        finally:
513
 
            state.unlock()
514
 
 
515
 
 
516
 
class TestDirStateOnFile(TestCaseWithDirState):
517
 
 
518
 
    def test_construct_with_path(self):
519
 
        tree = self.make_branch_and_tree('tree')
520
 
        state = dirstate.DirState.from_tree(tree, 'dirstate.from_tree')
521
 
        # we want to be able to get the lines of the dirstate that we will
522
 
        # write to disk.
523
 
        lines = state.get_lines()
524
 
        state.unlock()
525
 
        self.build_tree_contents([('dirstate', ''.join(lines))])
526
 
        # get a state object
527
 
        # no parents, default tree content
528
 
        expected_result = ([], [
529
 
            (('', '', tree.path2id('')), # common details
530
 
             # current tree details, but new from_tree skips statting, it
531
 
             # uses set_state_from_inventory, and thus depends on the
532
 
             # inventory state.
533
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT),
534
 
             ])
535
 
            ])
536
 
        state = dirstate.DirState.on_file('dirstate')
537
 
        state.lock_write() # check_state_with_reopen will save() and unlock it
538
 
        self.check_state_with_reopen(expected_result, state)
539
 
 
540
 
    def test_can_save_clean_on_file(self):
541
 
        tree = self.make_branch_and_tree('tree')
542
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
543
 
        try:
544
 
            # doing a save should work here as there have been no changes.
545
 
            state.save()
546
 
            # TODO: stat it and check it hasn't changed; may require waiting
547
 
            # for the state accuracy window.
548
 
        finally:
549
 
            state.unlock()
550
 
 
551
 
    def test_can_save_in_read_lock(self):
552
 
        self.build_tree(['a-file'])
553
 
        state = dirstate.DirState.initialize('dirstate')
554
 
        try:
555
 
            # No stat and no sha1 sum.
556
 
            state.add('a-file', 'a-file-id', 'file', None, '')
557
 
            state.save()
558
 
        finally:
559
 
            state.unlock()
560
 
 
561
 
        # Now open in readonly mode
562
 
        state = dirstate.DirState.on_file('dirstate')
563
 
        state.lock_read()
564
 
        try:
565
 
            entry = state._get_entry(0, path_utf8='a-file')
566
 
            # The current sha1 sum should be empty
567
 
            self.assertEqual('', entry[1][0][1])
568
 
            # We should have a real entry.
569
 
            self.assertNotEqual((None, None), entry)
570
 
            # Make sure everything is old enough
571
 
            state._sha_cutoff_time()
572
 
            state._cutoff_time += 10
573
 
            sha1sum = state.update_entry(entry, 'a-file', os.lstat('a-file'))
574
 
            # We should have gotten a real sha1
575
 
            self.assertEqual('ecc5374e9ed82ad3ea3b4d452ea995a5fd3e70e3',
576
 
                             sha1sum)
577
 
 
578
 
            # The dirblock has been updated
579
 
            self.assertEqual(sha1sum, entry[1][0][1])
580
 
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
581
 
                             state._dirblock_state)
582
 
 
583
 
            del entry
584
 
            # Now, since we are the only one holding a lock, we should be able
585
 
            # to save and have it written to disk
586
 
            state.save()
587
 
        finally:
588
 
            state.unlock()
589
 
 
590
 
        # Re-open the file, and ensure that the state has been updated.
591
 
        state = dirstate.DirState.on_file('dirstate')
592
 
        state.lock_read()
593
 
        try:
594
 
            entry = state._get_entry(0, path_utf8='a-file')
595
 
            self.assertEqual(sha1sum, entry[1][0][1])
596
 
        finally:
597
 
            state.unlock()
598
 
 
599
 
    def test_save_fails_quietly_if_locked(self):
600
 
        """If dirstate is locked, save will fail without complaining."""
601
 
        self.build_tree(['a-file'])
602
 
        state = dirstate.DirState.initialize('dirstate')
603
 
        try:
604
 
            # No stat and no sha1 sum.
605
 
            state.add('a-file', 'a-file-id', 'file', None, '')
606
 
            state.save()
607
 
        finally:
608
 
            state.unlock()
609
 
 
610
 
        state = dirstate.DirState.on_file('dirstate')
611
 
        state.lock_read()
612
 
        try:
613
 
            entry = state._get_entry(0, path_utf8='a-file')
614
 
            sha1sum = state.update_entry(entry, 'a-file', os.lstat('a-file'))
615
 
            # We should have gotten a real sha1
616
 
            self.assertEqual('ecc5374e9ed82ad3ea3b4d452ea995a5fd3e70e3',
617
 
                             sha1sum)
618
 
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
619
 
                             state._dirblock_state)
620
 
 
621
 
            # Now, before we try to save, grab another dirstate, and take out a
622
 
            # read lock.
623
 
            # TODO: jam 20070315 Ideally this would be locked by another
624
 
            #       process. To make sure the file is really OS locked.
625
 
            state2 = dirstate.DirState.on_file('dirstate')
626
 
            state2.lock_read()
627
 
            try:
628
 
                # This won't actually write anything, because it couldn't grab
629
 
                # a write lock. But it shouldn't raise an error, either.
630
 
                # TODO: jam 20070315 We should probably distinguish between
631
 
                #       being dirty because of 'update_entry'. And dirty
632
 
                #       because of real modification. So that save() *does*
633
 
                #       raise a real error if it fails when we have real
634
 
                #       modifications.
635
 
                state.save()
636
 
            finally:
637
 
                state2.unlock()
638
 
        finally:
639
 
            state.unlock()
640
 
        
641
 
        # The file on disk should not be modified.
642
 
        state = dirstate.DirState.on_file('dirstate')
643
 
        state.lock_read()
644
 
        try:
645
 
            entry = state._get_entry(0, path_utf8='a-file')
646
 
            self.assertEqual('', entry[1][0][1])
647
 
        finally:
648
 
            state.unlock()
649
 
 
650
 
 
651
 
class TestDirStateInitialize(TestCaseWithDirState):
652
 
 
653
 
    def test_initialize(self):
654
 
        expected_result = ([], [
655
 
            (('', '', 'TREE_ROOT'), # common details
656
 
             [('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
657
 
             ])
658
 
            ])
659
 
        state = dirstate.DirState.initialize('dirstate')
660
 
        try:
661
 
            self.assertIsInstance(state, dirstate.DirState)
662
 
            lines = state.get_lines()
663
 
        finally:
664
 
            state.unlock()
665
 
        # On win32 you can't read from a locked file, even within the same
666
 
        # process. So we have to unlock and release before we check the file
667
 
        # contents.
668
 
        self.assertFileEqual(''.join(lines), 'dirstate')
669
 
        state.lock_read() # check_state_with_reopen will unlock
670
 
        self.check_state_with_reopen(expected_result, state)
671
 
 
672
 
 
673
 
class TestDirStateManipulations(TestCaseWithDirState):
674
 
 
675
 
    def test_set_state_from_inventory_no_content_no_parents(self):
676
 
        # setting the current inventory is a slow but important api to support.
677
 
        tree1 = self.make_branch_and_memory_tree('tree1')
678
 
        tree1.lock_write()
679
 
        try:
680
 
            tree1.add('')
681
 
            revid1 = tree1.commit('foo').encode('utf8')
682
 
            root_id = tree1.inventory.root.file_id
683
 
            inv = tree1.inventory
684
 
        finally:
685
 
            tree1.unlock()
686
 
        expected_result = [], [
687
 
            (('', '', root_id), [
688
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT)])]
689
 
        state = dirstate.DirState.initialize('dirstate')
690
 
        try:
691
 
            state.set_state_from_inventory(inv)
692
 
            self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
693
 
                             state._header_state)
694
 
            self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
695
 
                             state._dirblock_state)
696
 
        except:
697
 
            state.unlock()
698
 
            raise
699
 
        else:
700
 
            # This will unlock it
701
 
            self.check_state_with_reopen(expected_result, state)
702
 
 
703
 
    def test_set_state_from_inventory_preserves_hashcache(self):
704
 
        # https://bugs.launchpad.net/bzr/+bug/146176
705
 
        # set_state_from_inventory should preserve the stat and hash value for
706
 
        # workingtree files that are not changed by the inventory.
707
 
       
708
 
        tree = self.make_branch_and_tree('.')
709
 
        # depends on the default format using dirstate...
710
 
        tree.lock_write()
711
 
        try:
712
 
            # make a dirstate with some valid hashcache data 
713
 
            # file on disk, but that's not needed for this test
714
 
            foo_contents = 'contents of foo'
715
 
            self.build_tree_contents([('foo', foo_contents)])
716
 
            tree.add('foo', 'foo-id')
717
 
 
718
 
            foo_stat = os.stat('foo')
719
 
            foo_packed = dirstate.pack_stat(foo_stat)
720
 
            foo_sha = osutils.sha_string(foo_contents)
721
 
            foo_size = len(foo_contents)
722
 
 
723
 
            # should not be cached yet, because the file's too fresh
724
 
            self.assertEqual(
725
 
                (('', 'foo', 'foo-id',),
726
 
                 [('f', '', 0, False, dirstate.DirState.NULLSTAT)]),
727
 
                tree._dirstate._get_entry(0, 'foo-id'))
728
 
            # poke in some hashcache information - it wouldn't normally be
729
 
            # stored because it's too fresh
730
 
            tree._dirstate.update_minimal(
731
 
                ('', 'foo', 'foo-id'),
732
 
                'f', False, foo_sha, foo_packed, foo_size, 'foo')
733
 
            # now should be cached
734
 
            self.assertEqual(
735
 
                (('', 'foo', 'foo-id',),
736
 
                 [('f', foo_sha, foo_size, False, foo_packed)]),
737
 
                tree._dirstate._get_entry(0, 'foo-id'))
738
 
           
739
 
            # extract the inventory, and add something to it
740
 
            inv = tree._get_inventory()
741
 
            # should see the file we poked in...
742
 
            self.assertTrue(inv.has_id('foo-id'))
743
 
            self.assertTrue(inv.has_filename('foo'))
744
 
            inv.add_path('bar', 'file', 'bar-id')
745
 
            tree._dirstate._validate()
746
 
            # this used to cause it to lose its hashcache
747
 
            tree._dirstate.set_state_from_inventory(inv)
748
 
            tree._dirstate._validate()
749
 
        finally:
750
 
            tree.unlock()
751
 
 
752
 
        tree.lock_read()
753
 
        try:
754
 
            # now check that the state still has the original hashcache value
755
 
            state = tree._dirstate
756
 
            state._validate()
757
 
            foo_tuple = state._get_entry(0, path_utf8='foo')
758
 
            self.assertEqual(
759
 
                (('', 'foo', 'foo-id',),
760
 
                 [('f', foo_sha, len(foo_contents), False,
761
 
                   dirstate.pack_stat(foo_stat))]),
762
 
                foo_tuple)
763
 
        finally:
764
 
            tree.unlock()
765
 
 
766
 
 
767
 
    def test_set_state_from_inventory_mixed_paths(self):
768
 
        tree1 = self.make_branch_and_tree('tree1')
769
 
        self.build_tree(['tree1/a/', 'tree1/a/b/', 'tree1/a-b/',
770
 
                         'tree1/a/b/foo', 'tree1/a-b/bar'])
771
 
        tree1.lock_write()
772
 
        try:
773
 
            tree1.add(['a', 'a/b', 'a-b', 'a/b/foo', 'a-b/bar'],
774
 
                      ['a-id', 'b-id', 'a-b-id', 'foo-id', 'bar-id'])
775
 
            tree1.commit('rev1', rev_id='rev1')
776
 
            root_id = tree1.get_root_id()
777
 
            inv = tree1.inventory
778
 
        finally:
779
 
            tree1.unlock()
780
 
        expected_result1 = [('', '', root_id, 'd'),
781
 
                            ('', 'a', 'a-id', 'd'),
782
 
                            ('', 'a-b', 'a-b-id', 'd'),
783
 
                            ('a', 'b', 'b-id', 'd'),
784
 
                            ('a/b', 'foo', 'foo-id', 'f'),
785
 
                            ('a-b', 'bar', 'bar-id', 'f'),
786
 
                           ]
787
 
        expected_result2 = [('', '', root_id, 'd'),
788
 
                            ('', 'a', 'a-id', 'd'),
789
 
                            ('', 'a-b', 'a-b-id', 'd'),
790
 
                            ('a-b', 'bar', 'bar-id', 'f'),
791
 
                           ]
792
 
        state = dirstate.DirState.initialize('dirstate')
793
 
        try:
794
 
            state.set_state_from_inventory(inv)
795
 
            values = []
796
 
            for entry in state._iter_entries():
797
 
                values.append(entry[0] + entry[1][0][:1])
798
 
            self.assertEqual(expected_result1, values)
799
 
            del inv['b-id']
800
 
            state.set_state_from_inventory(inv)
801
 
            values = []
802
 
            for entry in state._iter_entries():
803
 
                values.append(entry[0] + entry[1][0][:1])
804
 
            self.assertEqual(expected_result2, values)
805
 
        finally:
806
 
            state.unlock()
807
 
 
808
 
    def test_set_path_id_no_parents(self):
809
 
        """The id of a path can be changed trivally with no parents."""
810
 
        state = dirstate.DirState.initialize('dirstate')
811
 
        try:
812
 
            # check precondition to be sure the state does change appropriately.
813
 
            self.assertEqual(
814
 
                [(('', '', 'TREE_ROOT'), [('d', '', 0, False,
815
 
                   'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')])],
816
 
                list(state._iter_entries()))
817
 
            state.set_path_id('', 'foobarbaz')
818
 
            expected_rows = [
819
 
                (('', '', 'foobarbaz'), [('d', '', 0, False,
820
 
                   'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')])]
821
 
            self.assertEqual(expected_rows, list(state._iter_entries()))
822
 
            # should work across save too
823
 
            state.save()
824
 
        finally:
825
 
            state.unlock()
826
 
        state = dirstate.DirState.on_file('dirstate')
827
 
        state.lock_read()
828
 
        try:
829
 
            state._validate()
830
 
            self.assertEqual(expected_rows, list(state._iter_entries()))
831
 
        finally:
832
 
            state.unlock()
833
 
 
834
 
    def test_set_path_id_with_parents(self):
835
 
        """Set the root file id in a dirstate with parents"""
836
 
        mt = self.make_branch_and_tree('mt')
837
 
        # in case the default tree format uses a different root id
838
 
        mt.set_root_id('TREE_ROOT')
839
 
        mt.commit('foo', rev_id='parent-revid')
840
 
        rt = mt.branch.repository.revision_tree('parent-revid')
841
 
        state = dirstate.DirState.initialize('dirstate')
842
 
        state._validate()
843
 
        try:
844
 
            state.set_parent_trees([('parent-revid', rt)], ghosts=[])
845
 
            state.set_path_id('', 'foobarbaz')
846
 
            state._validate()
847
 
            # now see that it is what we expected
848
 
            expected_rows = [
849
 
                (('', '', 'TREE_ROOT'),
850
 
                    [('a', '', 0, False, ''),
851
 
                     ('d', '', 0, False, 'parent-revid'),
852
 
                     ]),
853
 
                (('', '', 'foobarbaz'),
854
 
                    [('d', '', 0, False, ''),
855
 
                     ('a', '', 0, False, ''),
856
 
                     ]),
857
 
                ]
858
 
            state._validate()
859
 
            self.assertEqual(expected_rows, list(state._iter_entries()))
860
 
            # should work across save too
861
 
            state.save()
862
 
        finally:
863
 
            state.unlock()
864
 
        # now flush & check we get the same
865
 
        state = dirstate.DirState.on_file('dirstate')
866
 
        state.lock_read()
867
 
        try:
868
 
            state._validate()
869
 
            self.assertEqual(expected_rows, list(state._iter_entries()))
870
 
        finally:
871
 
            state.unlock()
872
 
        # now change within an existing file-backed state
873
 
        state.lock_write()
874
 
        try:
875
 
            state._validate()
876
 
            state.set_path_id('', 'tree-root-2')
877
 
            state._validate()
878
 
        finally:
879
 
            state.unlock()
880
 
 
881
 
 
882
 
    def test_set_parent_trees_no_content(self):
883
 
        # set_parent_trees is a slow but important api to support.
884
 
        tree1 = self.make_branch_and_memory_tree('tree1')
885
 
        tree1.lock_write()
886
 
        try:
887
 
            tree1.add('')
888
 
            revid1 = tree1.commit('foo')
889
 
        finally:
890
 
            tree1.unlock()
891
 
        branch2 = tree1.branch.bzrdir.clone('tree2').open_branch()
892
 
        tree2 = MemoryTree.create_on_branch(branch2)
893
 
        tree2.lock_write()
894
 
        try:
895
 
            revid2 = tree2.commit('foo')
896
 
            root_id = tree2.inventory.root.file_id
897
 
        finally:
898
 
            tree2.unlock()
899
 
        state = dirstate.DirState.initialize('dirstate')
900
 
        try:
901
 
            state.set_path_id('', root_id)
902
 
            state.set_parent_trees(
903
 
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
904
 
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
905
 
                 ('ghost-rev', None)),
906
 
                ['ghost-rev'])
907
 
            # check we can reopen and use the dirstate after setting parent
908
 
            # trees.
909
 
            state._validate()
910
 
            state.save()
911
 
            state._validate()
912
 
        finally:
913
 
            state.unlock()
914
 
        state = dirstate.DirState.on_file('dirstate')
915
 
        state.lock_write()
916
 
        try:
917
 
            self.assertEqual([revid1, revid2, 'ghost-rev'],
918
 
                             state.get_parent_ids())
919
 
            # iterating the entire state ensures that the state is parsable.
920
 
            list(state._iter_entries())
921
 
            # be sure that it sets not appends - change it
922
 
            state.set_parent_trees(
923
 
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
924
 
                 ('ghost-rev', None)),
925
 
                ['ghost-rev'])
926
 
            # and now put it back.
927
 
            state.set_parent_trees(
928
 
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
929
 
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
930
 
                 ('ghost-rev', tree2.branch.repository.revision_tree(None))),
931
 
                ['ghost-rev'])
932
 
            self.assertEqual([revid1, revid2, 'ghost-rev'],
933
 
                             state.get_parent_ids())
934
 
            # the ghost should be recorded as such by set_parent_trees.
935
 
            self.assertEqual(['ghost-rev'], state.get_ghosts())
936
 
            self.assertEqual(
937
 
                [(('', '', root_id), [
938
 
                  ('d', '', 0, False, dirstate.DirState.NULLSTAT),
939
 
                  ('d', '', 0, False, revid1),
940
 
                  ('d', '', 0, False, revid2)
941
 
                  ])],
942
 
                list(state._iter_entries()))
943
 
        finally:
944
 
            state.unlock()
945
 
 
946
 
    def test_set_parent_trees_file_missing_from_tree(self):
947
 
        # Adding a parent tree may reference files not in the current state.
948
 
        # they should get listed just once by id, even if they are in two
949
 
        # separate trees.
950
 
        # set_parent_trees is a slow but important api to support.
951
 
        tree1 = self.make_branch_and_memory_tree('tree1')
952
 
        tree1.lock_write()
953
 
        try:
954
 
            tree1.add('')
955
 
            tree1.add(['a file'], ['file-id'], ['file'])
956
 
            tree1.put_file_bytes_non_atomic('file-id', 'file-content')
957
 
            revid1 = tree1.commit('foo')
958
 
        finally:
959
 
            tree1.unlock()
960
 
        branch2 = tree1.branch.bzrdir.clone('tree2').open_branch()
961
 
        tree2 = MemoryTree.create_on_branch(branch2)
962
 
        tree2.lock_write()
963
 
        try:
964
 
            tree2.put_file_bytes_non_atomic('file-id', 'new file-content')
965
 
            revid2 = tree2.commit('foo')
966
 
            root_id = tree2.inventory.root.file_id
967
 
        finally:
968
 
            tree2.unlock()
969
 
        # check the layout in memory
970
 
        expected_result = [revid1.encode('utf8'), revid2.encode('utf8')], [
971
 
            (('', '', root_id), [
972
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT),
973
 
             ('d', '', 0, False, revid1.encode('utf8')),
974
 
             ('d', '', 0, False, revid2.encode('utf8'))
975
 
             ]),
976
 
            (('', 'a file', 'file-id'), [
977
 
             ('a', '', 0, False, ''),
978
 
             ('f', '2439573625385400f2a669657a7db6ae7515d371', 12, False,
979
 
              revid1.encode('utf8')),
980
 
             ('f', '542e57dc1cda4af37cb8e55ec07ce60364bb3c7d', 16, False,
981
 
              revid2.encode('utf8'))
982
 
             ])
983
 
            ]
984
 
        state = dirstate.DirState.initialize('dirstate')
985
 
        try:
986
 
            state.set_path_id('', root_id)
987
 
            state.set_parent_trees(
988
 
                ((revid1, tree1.branch.repository.revision_tree(revid1)),
989
 
                 (revid2, tree2.branch.repository.revision_tree(revid2)),
990
 
                 ), [])
991
 
        except:
992
 
            state.unlock()
993
 
            raise
994
 
        else:
995
 
            # check_state_with_reopen will unlock
996
 
            self.check_state_with_reopen(expected_result, state)
997
 
 
998
 
    ### add a path via _set_data - so we dont need delta work, just
999
 
    # raw data in, and ensure that it comes out via get_lines happily.
1000
 
 
1001
 
    def test_add_path_to_root_no_parents_all_data(self):
1002
 
        # The most trivial addition of a path is when there are no parents and
1003
 
        # its in the root and all data about the file is supplied
1004
 
        self.build_tree(['a file'])
1005
 
        stat = os.lstat('a file')
1006
 
        # the 1*20 is the sha1 pretend value.
1007
 
        state = dirstate.DirState.initialize('dirstate')
1008
 
        expected_entries = [
1009
 
            (('', '', 'TREE_ROOT'), [
1010
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
1011
 
             ]),
1012
 
            (('', 'a file', 'a file id'), [
1013
 
             ('f', '1'*20, 19, False, dirstate.pack_stat(stat)), # current tree
1014
 
             ]),
1015
 
            ]
1016
 
        try:
1017
 
            state.add('a file', 'a file id', 'file', stat, '1'*20)
1018
 
            # having added it, it should be in the output of iter_entries.
1019
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1020
 
            # saving and reloading should not affect this.
1021
 
            state.save()
1022
 
        finally:
1023
 
            state.unlock()
1024
 
        state = dirstate.DirState.on_file('dirstate')
1025
 
        state.lock_read()
1026
 
        try:
1027
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1028
 
        finally:
1029
 
            state.unlock()
1030
 
 
1031
 
    def test_add_path_to_unversioned_directory(self):
1032
 
        """Adding a path to an unversioned directory should error.
1033
 
 
1034
 
        This is a duplicate of TestWorkingTree.test_add_in_unversioned,
1035
 
        once dirstate is stable and if it is merged with WorkingTree3, consider
1036
 
        removing this copy of the test.
1037
 
        """
1038
 
        self.build_tree(['unversioned/', 'unversioned/a file'])
1039
 
        state = dirstate.DirState.initialize('dirstate')
1040
 
        try:
1041
 
            self.assertRaises(errors.NotVersionedError, state.add,
1042
 
                'unversioned/a file', 'a file id', 'file', None, None)
1043
 
        finally:
1044
 
            state.unlock()
1045
 
 
1046
 
    def test_add_directory_to_root_no_parents_all_data(self):
1047
 
        # The most trivial addition of a dir is when there are no parents and
1048
 
        # its in the root and all data about the file is supplied
1049
 
        self.build_tree(['a dir/'])
1050
 
        stat = os.lstat('a dir')
1051
 
        expected_entries = [
1052
 
            (('', '', 'TREE_ROOT'), [
1053
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
1054
 
             ]),
1055
 
            (('', 'a dir', 'a dir id'), [
1056
 
             ('d', '', 0, False, dirstate.pack_stat(stat)), # current tree
1057
 
             ]),
1058
 
            ]
1059
 
        state = dirstate.DirState.initialize('dirstate')
1060
 
        try:
1061
 
            state.add('a dir', 'a dir id', 'directory', stat, None)
1062
 
            # having added it, it should be in the output of iter_entries.
1063
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1064
 
            # saving and reloading should not affect this.
1065
 
            state.save()
1066
 
        finally:
1067
 
            state.unlock()
1068
 
        state = dirstate.DirState.on_file('dirstate')
1069
 
        state.lock_read()
1070
 
        state._validate()
1071
 
        try:
1072
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1073
 
        finally:
1074
 
            state.unlock()
1075
 
 
1076
 
    def test_add_symlink_to_root_no_parents_all_data(self):
1077
 
        # The most trivial addition of a symlink when there are no parents and
1078
 
        # its in the root and all data about the file is supplied
1079
 
        # bzr doesn't support fake symlinks on windows, yet.
1080
 
        if not has_symlinks():
1081
 
            raise TestSkipped("No symlink support")
1082
 
        os.symlink('target', 'a link')
1083
 
        stat = os.lstat('a link')
1084
 
        expected_entries = [
1085
 
            (('', '', 'TREE_ROOT'), [
1086
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
1087
 
             ]),
1088
 
            (('', 'a link', 'a link id'), [
1089
 
             ('l', 'target', 6, False, dirstate.pack_stat(stat)), # current tree
1090
 
             ]),
1091
 
            ]
1092
 
        state = dirstate.DirState.initialize('dirstate')
1093
 
        try:
1094
 
            state.add('a link', 'a link id', 'symlink', stat, 'target')
1095
 
            # having added it, it should be in the output of iter_entries.
1096
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1097
 
            # saving and reloading should not affect this.
1098
 
            state.save()
1099
 
        finally:
1100
 
            state.unlock()
1101
 
        state = dirstate.DirState.on_file('dirstate')
1102
 
        state.lock_read()
1103
 
        try:
1104
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1105
 
        finally:
1106
 
            state.unlock()
1107
 
 
1108
 
    def test_add_directory_and_child_no_parents_all_data(self):
1109
 
        # after adding a directory, we should be able to add children to it.
1110
 
        self.build_tree(['a dir/', 'a dir/a file'])
1111
 
        dirstat = os.lstat('a dir')
1112
 
        filestat = os.lstat('a dir/a file')
1113
 
        expected_entries = [
1114
 
            (('', '', 'TREE_ROOT'), [
1115
 
             ('d', '', 0, False, dirstate.DirState.NULLSTAT), # current tree
1116
 
             ]),
1117
 
            (('', 'a dir', 'a dir id'), [
1118
 
             ('d', '', 0, False, dirstate.pack_stat(dirstat)), # current tree
1119
 
             ]),
1120
 
            (('a dir', 'a file', 'a file id'), [
1121
 
             ('f', '1'*20, 25, False,
1122
 
              dirstate.pack_stat(filestat)), # current tree details
1123
 
             ]),
1124
 
            ]
1125
 
        state = dirstate.DirState.initialize('dirstate')
1126
 
        try:
1127
 
            state.add('a dir', 'a dir id', 'directory', dirstat, None)
1128
 
            state.add('a dir/a file', 'a file id', 'file', filestat, '1'*20)
1129
 
            # added it, it should be in the output of iter_entries.
1130
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1131
 
            # saving and reloading should not affect this.
1132
 
            state.save()
1133
 
        finally:
1134
 
            state.unlock()
1135
 
        state = dirstate.DirState.on_file('dirstate')
1136
 
        state.lock_read()
1137
 
        try:
1138
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1139
 
        finally:
1140
 
            state.unlock()
1141
 
 
1142
 
    def test_add_tree_reference(self):
1143
 
        # make a dirstate and add a tree reference
1144
 
        state = dirstate.DirState.initialize('dirstate')
1145
 
        expected_entry = (
1146
 
            ('', 'subdir', 'subdir-id'),
1147
 
            [('t', 'subtree-123123', 0, False,
1148
 
              'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')],
1149
 
            )
1150
 
        try:
1151
 
            state.add('subdir', 'subdir-id', 'tree-reference', None, 'subtree-123123')
1152
 
            entry = state._get_entry(0, 'subdir-id', 'subdir')
1153
 
            self.assertEqual(entry, expected_entry)
1154
 
            state._validate()
1155
 
            state.save()
1156
 
        finally:
1157
 
            state.unlock()
1158
 
        # now check we can read it back
1159
 
        state.lock_read()
1160
 
        state._validate()
1161
 
        try:
1162
 
            entry2 = state._get_entry(0, 'subdir-id', 'subdir')
1163
 
            self.assertEqual(entry, entry2)
1164
 
            self.assertEqual(entry, expected_entry)
1165
 
            # and lookup by id should work too
1166
 
            entry2 = state._get_entry(0, fileid_utf8='subdir-id')
1167
 
            self.assertEqual(entry, expected_entry)
1168
 
        finally:
1169
 
            state.unlock()
1170
 
 
1171
 
    def test_add_forbidden_names(self):
1172
 
        state = dirstate.DirState.initialize('dirstate')
1173
 
        self.addCleanup(state.unlock)
1174
 
        self.assertRaises(errors.BzrError,
1175
 
            state.add, '.', 'ass-id', 'directory', None, None)
1176
 
        self.assertRaises(errors.BzrError,
1177
 
            state.add, '..', 'ass-id', 'directory', None, None)
1178
 
 
1179
 
 
1180
 
class TestGetLines(TestCaseWithDirState):
1181
 
 
1182
 
    def test_get_line_with_2_rows(self):
1183
 
        state = self.create_dirstate_with_root_and_subdir()
1184
 
        try:
1185
 
            self.assertEqual(['#bazaar dirstate flat format 3\n',
1186
 
                'crc32: 41262208\n',
1187
 
                'num_entries: 2\n',
1188
 
                '0\x00\n\x00'
1189
 
                '0\x00\n\x00'
1190
 
                '\x00\x00a-root-value\x00'
1191
 
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00\n\x00'
1192
 
                '\x00subdir\x00subdir-id\x00'
1193
 
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00\n\x00'
1194
 
                ], state.get_lines())
1195
 
        finally:
1196
 
            state.unlock()
1197
 
 
1198
 
    def test_entry_to_line(self):
1199
 
        state = self.create_dirstate_with_root()
1200
 
        try:
1201
 
            self.assertEqual(
1202
 
                '\x00\x00a-root-value\x00d\x00\x000\x00n'
1203
 
                '\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk',
1204
 
                state._entry_to_line(state._dirblocks[0][1][0]))
1205
 
        finally:
1206
 
            state.unlock()
1207
 
 
1208
 
    def test_entry_to_line_with_parent(self):
1209
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
1210
 
        root_entry = ('', '', 'a-root-value'), [
1211
 
            ('d', '', 0, False, packed_stat), # current tree details
1212
 
             # first: a pointer to the current location
1213
 
            ('a', 'dirname/basename', 0, False, ''),
1214
 
            ]
1215
 
        state = dirstate.DirState.initialize('dirstate')
1216
 
        try:
1217
 
            self.assertEqual(
1218
 
                '\x00\x00a-root-value\x00'
1219
 
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00'
1220
 
                'a\x00dirname/basename\x000\x00n\x00',
1221
 
                state._entry_to_line(root_entry))
1222
 
        finally:
1223
 
            state.unlock()
1224
 
 
1225
 
    def test_entry_to_line_with_two_parents_at_different_paths(self):
1226
 
        # / in the tree, at / in one parent and /dirname/basename in the other.
1227
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
1228
 
        root_entry = ('', '', 'a-root-value'), [
1229
 
            ('d', '', 0, False, packed_stat), # current tree details
1230
 
            ('d', '', 0, False, 'rev_id'), # first parent details
1231
 
             # second: a pointer to the current location
1232
 
            ('a', 'dirname/basename', 0, False, ''),
1233
 
            ]
1234
 
        state = dirstate.DirState.initialize('dirstate')
1235
 
        try:
1236
 
            self.assertEqual(
1237
 
                '\x00\x00a-root-value\x00'
1238
 
                'd\x00\x000\x00n\x00AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk\x00'
1239
 
                'd\x00\x000\x00n\x00rev_id\x00'
1240
 
                'a\x00dirname/basename\x000\x00n\x00',
1241
 
                state._entry_to_line(root_entry))
1242
 
        finally:
1243
 
            state.unlock()
1244
 
 
1245
 
    def test_iter_entries(self):
1246
 
        # we should be able to iterate the dirstate entries from end to end
1247
 
        # this is for get_lines to be easy to read.
1248
 
        packed_stat = 'AAAAREUHaIpFB2iKAAADAQAtkqUAAIGk'
1249
 
        dirblocks = []
1250
 
        root_entries = [(('', '', 'a-root-value'), [
1251
 
            ('d', '', 0, False, packed_stat), # current tree details
1252
 
            ])]
1253
 
        dirblocks.append(('', root_entries))
1254
 
        # add two files in the root
1255
 
        subdir_entry = ('', 'subdir', 'subdir-id'), [
1256
 
            ('d', '', 0, False, packed_stat), # current tree details
1257
 
            ]
1258
 
        afile_entry = ('', 'afile', 'afile-id'), [
1259
 
            ('f', 'sha1value', 34, False, packed_stat), # current tree details
1260
 
            ]
1261
 
        dirblocks.append(('', [subdir_entry, afile_entry]))
1262
 
        # and one in subdir
1263
 
        file_entry2 = ('subdir', '2file', '2file-id'), [
1264
 
            ('f', 'sha1value', 23, False, packed_stat), # current tree details
1265
 
            ]
1266
 
        dirblocks.append(('subdir', [file_entry2]))
1267
 
        state = dirstate.DirState.initialize('dirstate')
1268
 
        try:
1269
 
            state._set_data([], dirblocks)
1270
 
            expected_entries = [root_entries[0], subdir_entry, afile_entry,
1271
 
                                file_entry2]
1272
 
            self.assertEqual(expected_entries, list(state._iter_entries()))
1273
 
        finally:
1274
 
            state.unlock()
1275
 
 
1276
 
 
1277
 
class TestGetBlockRowIndex(TestCaseWithDirState):
1278
 
 
1279
 
    def assertBlockRowIndexEqual(self, block_index, row_index, dir_present,
1280
 
        file_present, state, dirname, basename, tree_index):
1281
 
        self.assertEqual((block_index, row_index, dir_present, file_present),
1282
 
            state._get_block_entry_index(dirname, basename, tree_index))
1283
 
        if dir_present:
1284
 
            block = state._dirblocks[block_index]
1285
 
            self.assertEqual(dirname, block[0])
1286
 
        if dir_present and file_present:
1287
 
            row = state._dirblocks[block_index][1][row_index]
1288
 
            self.assertEqual(dirname, row[0][0])
1289
 
            self.assertEqual(basename, row[0][1])
1290
 
 
1291
 
    def test_simple_structure(self):
1292
 
        state = self.create_dirstate_with_root_and_subdir()
1293
 
        self.addCleanup(state.unlock)
1294
 
        self.assertBlockRowIndexEqual(1, 0, True, True, state, '', 'subdir', 0)
1295
 
        self.assertBlockRowIndexEqual(1, 0, True, False, state, '', 'bdir', 0)
1296
 
        self.assertBlockRowIndexEqual(1, 1, True, False, state, '', 'zdir', 0)
1297
 
        self.assertBlockRowIndexEqual(2, 0, False, False, state, 'a', 'foo', 0)
1298
 
        self.assertBlockRowIndexEqual(2, 0, False, False, state,
1299
 
                                      'subdir', 'foo', 0)
1300
 
 
1301
 
    def test_complex_structure_exists(self):
1302
 
        state = self.create_complex_dirstate()
1303
 
        self.addCleanup(state.unlock)
1304
 
        # Make sure we can find everything that exists
1305
 
        self.assertBlockRowIndexEqual(0, 0, True, True, state, '', '', 0)
1306
 
        self.assertBlockRowIndexEqual(1, 0, True, True, state, '', 'a', 0)
1307
 
        self.assertBlockRowIndexEqual(1, 1, True, True, state, '', 'b', 0)
1308
 
        self.assertBlockRowIndexEqual(1, 2, True, True, state, '', 'c', 0)
1309
 
        self.assertBlockRowIndexEqual(1, 3, True, True, state, '', 'd', 0)
1310
 
        self.assertBlockRowIndexEqual(2, 0, True, True, state, 'a', 'e', 0)
1311
 
        self.assertBlockRowIndexEqual(2, 1, True, True, state, 'a', 'f', 0)
1312
 
        self.assertBlockRowIndexEqual(3, 0, True, True, state, 'b', 'g', 0)
1313
 
        self.assertBlockRowIndexEqual(3, 1, True, True, state,
1314
 
                                      'b', 'h\xc3\xa5', 0)
1315
 
 
1316
 
    def test_complex_structure_missing(self):
1317
 
        state = self.create_complex_dirstate()
1318
 
        self.addCleanup(state.unlock)
1319
 
        # Make sure things would be inserted in the right locations
1320
 
        # '_' comes before 'a'
1321
 
        self.assertBlockRowIndexEqual(0, 0, True, True, state, '', '', 0)
1322
 
        self.assertBlockRowIndexEqual(1, 0, True, False, state, '', '_', 0)
1323
 
        self.assertBlockRowIndexEqual(1, 1, True, False, state, '', 'aa', 0)
1324
 
        self.assertBlockRowIndexEqual(1, 4, True, False, state,
1325
 
                                      '', 'h\xc3\xa5', 0)
1326
 
        self.assertBlockRowIndexEqual(2, 0, False, False, state, '_', 'a', 0)
1327
 
        self.assertBlockRowIndexEqual(3, 0, False, False, state, 'aa', 'a', 0)
1328
 
        self.assertBlockRowIndexEqual(4, 0, False, False, state, 'bb', 'a', 0)
1329
 
        # This would be inserted between a/ and b/
1330
 
        self.assertBlockRowIndexEqual(3, 0, False, False, state, 'a/e', 'a', 0)
1331
 
        # Put at the end
1332
 
        self.assertBlockRowIndexEqual(4, 0, False, False, state, 'e', 'a', 0)
1333
 
 
1334
 
 
1335
 
class TestGetEntry(TestCaseWithDirState):
1336
 
 
1337
 
    def assertEntryEqual(self, dirname, basename, file_id, state, path, index):
1338
 
        """Check that the right entry is returned for a request to getEntry."""
1339
 
        entry = state._get_entry(index, path_utf8=path)
1340
 
        if file_id is None:
1341
 
            self.assertEqual((None, None), entry)
1342
 
        else:
1343
 
            cur = entry[0]
1344
 
            self.assertEqual((dirname, basename, file_id), cur[:3])
1345
 
 
1346
 
    def test_simple_structure(self):
1347
 
        state = self.create_dirstate_with_root_and_subdir()
1348
 
        self.addCleanup(state.unlock)
1349
 
        self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
1350
 
        self.assertEntryEqual('', 'subdir', 'subdir-id', state, 'subdir', 0)
1351
 
        self.assertEntryEqual(None, None, None, state, 'missing', 0)
1352
 
        self.assertEntryEqual(None, None, None, state, 'missing/foo', 0)
1353
 
        self.assertEntryEqual(None, None, None, state, 'subdir/foo', 0)
1354
 
 
1355
 
    def test_complex_structure_exists(self):
1356
 
        state = self.create_complex_dirstate()
1357
 
        self.addCleanup(state.unlock)
1358
 
        self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
1359
 
        self.assertEntryEqual('', 'a', 'a-dir', state, 'a', 0)
1360
 
        self.assertEntryEqual('', 'b', 'b-dir', state, 'b', 0)
1361
 
        self.assertEntryEqual('', 'c', 'c-file', state, 'c', 0)
1362
 
        self.assertEntryEqual('', 'd', 'd-file', state, 'd', 0)
1363
 
        self.assertEntryEqual('a', 'e', 'e-dir', state, 'a/e', 0)
1364
 
        self.assertEntryEqual('a', 'f', 'f-file', state, 'a/f', 0)
1365
 
        self.assertEntryEqual('b', 'g', 'g-file', state, 'b/g', 0)
1366
 
        self.assertEntryEqual('b', 'h\xc3\xa5', 'h-\xc3\xa5-file', state,
1367
 
                              'b/h\xc3\xa5', 0)
1368
 
 
1369
 
    def test_complex_structure_missing(self):
1370
 
        state = self.create_complex_dirstate()
1371
 
        self.addCleanup(state.unlock)
1372
 
        self.assertEntryEqual(None, None, None, state, '_', 0)
1373
 
        self.assertEntryEqual(None, None, None, state, '_\xc3\xa5', 0)
1374
 
        self.assertEntryEqual(None, None, None, state, 'a/b', 0)
1375
 
        self.assertEntryEqual(None, None, None, state, 'c/d', 0)
1376
 
 
1377
 
    def test_get_entry_uninitialized(self):
1378
 
        """Calling get_entry will load data if it needs to"""
1379
 
        state = self.create_dirstate_with_root()
1380
 
        try:
1381
 
            state.save()
1382
 
        finally:
1383
 
            state.unlock()
1384
 
        del state
1385
 
        state = dirstate.DirState.on_file('dirstate')
1386
 
        state.lock_read()
1387
 
        try:
1388
 
            self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
1389
 
                             state._header_state)
1390
 
            self.assertEqual(dirstate.DirState.NOT_IN_MEMORY,
1391
 
                             state._dirblock_state)
1392
 
            self.assertEntryEqual('', '', 'a-root-value', state, '', 0)
1393
 
        finally:
1394
 
            state.unlock()
1395
 
 
1396
 
 
1397
 
class TestDirstateSortOrder(TestCaseWithTransport):
1398
 
    """Test that DirState adds entries in the right order."""
1399
 
 
1400
 
    def test_add_sorting(self):
1401
 
        """Add entries in lexicographical order, we get path sorted order.
1402
 
 
1403
 
        This tests it to a depth of 4, to make sure we don't just get it right
1404
 
        at a single depth. 'a/a' should come before 'a-a', even though it
1405
 
        doesn't lexicographically.
1406
 
        """
1407
 
        dirs = ['a', 'a/a', 'a/a/a', 'a/a/a/a',
1408
 
                'a-a', 'a/a-a', 'a/a/a-a', 'a/a/a/a-a',
1409
 
               ]
1410
 
        null_sha = ''
1411
 
        state = dirstate.DirState.initialize('dirstate')
1412
 
        self.addCleanup(state.unlock)
1413
 
 
1414
 
        fake_stat = os.stat('dirstate')
1415
 
        for d in dirs:
1416
 
            d_id = d.replace('/', '_')+'-id'
1417
 
            file_path = d + '/f'
1418
 
            file_id = file_path.replace('/', '_')+'-id'
1419
 
            state.add(d, d_id, 'directory', fake_stat, null_sha)
1420
 
            state.add(file_path, file_id, 'file', fake_stat, null_sha)
1421
 
 
1422
 
        expected = ['', '', 'a',
1423
 
                'a/a', 'a/a/a', 'a/a/a/a',
1424
 
                'a/a/a/a-a', 'a/a/a-a', 'a/a-a', 'a-a',
1425
 
               ]
1426
 
        split = lambda p:p.split('/')
1427
 
        self.assertEqual(sorted(expected, key=split), expected)
1428
 
        dirblock_names = [d[0] for d in state._dirblocks]
1429
 
        self.assertEqual(expected, dirblock_names)
1430
 
 
1431
 
    def test_set_parent_trees_correct_order(self):
1432
 
        """After calling set_parent_trees() we should maintain the order."""
1433
 
        dirs = ['a', 'a-a', 'a/a']
1434
 
        null_sha = ''
1435
 
        state = dirstate.DirState.initialize('dirstate')
1436
 
        self.addCleanup(state.unlock)
1437
 
 
1438
 
        fake_stat = os.stat('dirstate')
1439
 
        for d in dirs:
1440
 
            d_id = d.replace('/', '_')+'-id'
1441
 
            file_path = d + '/f'
1442
 
            file_id = file_path.replace('/', '_')+'-id'
1443
 
            state.add(d, d_id, 'directory', fake_stat, null_sha)
1444
 
            state.add(file_path, file_id, 'file', fake_stat, null_sha)
1445
 
 
1446
 
        expected = ['', '', 'a', 'a/a', 'a-a']
1447
 
        dirblock_names = [d[0] for d in state._dirblocks]
1448
 
        self.assertEqual(expected, dirblock_names)
1449
 
 
1450
 
        # *really* cheesy way to just get an empty tree
1451
 
        repo = self.make_repository('repo')
1452
 
        empty_tree = repo.revision_tree(None)
1453
 
        state.set_parent_trees([('null:', empty_tree)], [])
1454
 
 
1455
 
        dirblock_names = [d[0] for d in state._dirblocks]
1456
 
        self.assertEqual(expected, dirblock_names)
1457
 
 
1458
 
 
1459
 
class InstrumentedDirState(dirstate.DirState):
1460
 
    """An DirState with instrumented sha1 functionality."""
1461
 
 
1462
 
    def __init__(self, path):
1463
 
        super(InstrumentedDirState, self).__init__(path)
1464
 
        self._time_offset = 0
1465
 
        self._log = []
1466
 
        # member is dynamically set in DirState.__init__ to turn on trace
1467
 
        self._sha1_file = self._sha1_file_and_log
1468
 
 
1469
 
    def _sha_cutoff_time(self):
1470
 
        timestamp = super(InstrumentedDirState, self)._sha_cutoff_time()
1471
 
        self._cutoff_time = timestamp + self._time_offset
1472
 
 
1473
 
    def _sha1_file_and_log(self, abspath):
1474
 
        self._log.append(('sha1', abspath))
1475
 
        return osutils.sha_file_by_name(abspath)
1476
 
 
1477
 
    def _read_link(self, abspath, old_link):
1478
 
        self._log.append(('read_link', abspath, old_link))
1479
 
        return super(InstrumentedDirState, self)._read_link(abspath, old_link)
1480
 
 
1481
 
    def _lstat(self, abspath, entry):
1482
 
        self._log.append(('lstat', abspath))
1483
 
        return super(InstrumentedDirState, self)._lstat(abspath, entry)
1484
 
 
1485
 
    def _is_executable(self, mode, old_executable):
1486
 
        self._log.append(('is_exec', mode, old_executable))
1487
 
        return super(InstrumentedDirState, self)._is_executable(mode,
1488
 
                                                                old_executable)
1489
 
 
1490
 
    def adjust_time(self, secs):
1491
 
        """Move the clock forward or back.
1492
 
 
1493
 
        :param secs: The amount to adjust the clock by. Positive values make it
1494
 
        seem as if we are in the future, negative values make it seem like we
1495
 
        are in the past.
1496
 
        """
1497
 
        self._time_offset += secs
1498
 
        self._cutoff_time = None
1499
 
 
1500
 
 
1501
 
class _FakeStat(object):
1502
 
    """A class with the same attributes as a real stat result."""
1503
 
 
1504
 
    def __init__(self, size, mtime, ctime, dev, ino, mode):
1505
 
        self.st_size = size
1506
 
        self.st_mtime = mtime
1507
 
        self.st_ctime = ctime
1508
 
        self.st_dev = dev
1509
 
        self.st_ino = ino
1510
 
        self.st_mode = mode
1511
 
 
1512
 
 
1513
 
class TestUpdateEntry(TestCaseWithDirState):
1514
 
    """Test the DirState.update_entry functions"""
1515
 
 
1516
 
    def get_state_with_a(self):
1517
 
        """Create a DirState tracking a single object named 'a'"""
1518
 
        state = InstrumentedDirState.initialize('dirstate')
1519
 
        self.addCleanup(state.unlock)
1520
 
        state.add('a', 'a-id', 'file', None, '')
1521
 
        entry = state._get_entry(0, path_utf8='a')
1522
 
        return state, entry
1523
 
 
1524
 
    def test_update_entry(self):
1525
 
        state, entry = self.get_state_with_a()
1526
 
        self.build_tree(['a'])
1527
 
        # Add one where we don't provide the stat or sha already
1528
 
        self.assertEqual(('', 'a', 'a-id'), entry[0])
1529
 
        self.assertEqual([('f', '', 0, False, dirstate.DirState.NULLSTAT)],
1530
 
                         entry[1])
1531
 
        # Flush the buffers to disk
1532
 
        state.save()
1533
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1534
 
                         state._dirblock_state)
1535
 
 
1536
 
        stat_value = os.lstat('a')
1537
 
        packed_stat = dirstate.pack_stat(stat_value)
1538
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1539
 
                                          stat_value=stat_value)
1540
 
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
1541
 
                         link_or_sha1)
1542
 
 
1543
 
        # The dirblock entry should not cache the file's sha1
1544
 
        self.assertEqual([('f', '', 14, False, dirstate.DirState.NULLSTAT)],
1545
 
                         entry[1])
1546
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
1547
 
                         state._dirblock_state)
1548
 
        mode = stat_value.st_mode
1549
 
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False)], state._log)
1550
 
 
1551
 
        state.save()
1552
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1553
 
                         state._dirblock_state)
1554
 
 
1555
 
        # If we do it again right away, we don't know if the file has changed
1556
 
        # so we will re-read the file. Roll the clock back so the file is
1557
 
        # guaranteed to look too new.
1558
 
        state.adjust_time(-10)
1559
 
 
1560
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1561
 
                                          stat_value=stat_value)
1562
 
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False),
1563
 
                          ('sha1', 'a'), ('is_exec', mode, False),
1564
 
                         ], state._log)
1565
 
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
1566
 
                         link_or_sha1)
1567
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
1568
 
                         state._dirblock_state)
1569
 
        self.assertEqual([('f', '', 14, False, dirstate.DirState.NULLSTAT)],
1570
 
                         entry[1])
1571
 
        state.save()
1572
 
 
1573
 
        # However, if we move the clock forward so the file is considered
1574
 
        # "stable", it should just cache the value.
1575
 
        state.adjust_time(+20)
1576
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1577
 
                                          stat_value=stat_value)
1578
 
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
1579
 
                         link_or_sha1)
1580
 
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False),
1581
 
                          ('sha1', 'a'), ('is_exec', mode, False),
1582
 
                          ('sha1', 'a'), ('is_exec', mode, False),
1583
 
                         ], state._log)
1584
 
        self.assertEqual([('f', link_or_sha1, 14, False, packed_stat)],
1585
 
                         entry[1])
1586
 
 
1587
 
        # Subsequent calls will just return the cached value
1588
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1589
 
                                          stat_value=stat_value)
1590
 
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
1591
 
                         link_or_sha1)
1592
 
        self.assertEqual([('sha1', 'a'), ('is_exec', mode, False),
1593
 
                          ('sha1', 'a'), ('is_exec', mode, False),
1594
 
                          ('sha1', 'a'), ('is_exec', mode, False),
1595
 
                         ], state._log)
1596
 
        self.assertEqual([('f', link_or_sha1, 14, False, packed_stat)],
1597
 
                         entry[1])
1598
 
 
1599
 
    def test_update_entry_symlink(self):
1600
 
        """Update entry should read symlinks."""
1601
 
        if not osutils.has_symlinks():
1602
 
            # PlatformDeficiency / TestSkipped
1603
 
            raise TestSkipped("No symlink support")
1604
 
        state, entry = self.get_state_with_a()
1605
 
        state.save()
1606
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1607
 
                         state._dirblock_state)
1608
 
        os.symlink('target', 'a')
1609
 
 
1610
 
        state.adjust_time(-10) # Make the symlink look new
1611
 
        stat_value = os.lstat('a')
1612
 
        packed_stat = dirstate.pack_stat(stat_value)
1613
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1614
 
                                          stat_value=stat_value)
1615
 
        self.assertEqual('target', link_or_sha1)
1616
 
        self.assertEqual([('read_link', 'a', '')], state._log)
1617
 
        # Dirblock is not updated (the link is too new)
1618
 
        self.assertEqual([('l', '', 6, False, dirstate.DirState.NULLSTAT)],
1619
 
                         entry[1])
1620
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
1621
 
                         state._dirblock_state)
1622
 
 
1623
 
        # Because the stat_value looks new, we should re-read the target
1624
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1625
 
                                          stat_value=stat_value)
1626
 
        self.assertEqual('target', link_or_sha1)
1627
 
        self.assertEqual([('read_link', 'a', ''),
1628
 
                          ('read_link', 'a', ''),
1629
 
                         ], state._log)
1630
 
        self.assertEqual([('l', '', 6, False, dirstate.DirState.NULLSTAT)],
1631
 
                         entry[1])
1632
 
        state.adjust_time(+20) # Skip into the future, all files look old
1633
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1634
 
                                          stat_value=stat_value)
1635
 
        self.assertEqual('target', link_or_sha1)
1636
 
        # We need to re-read the link because only now can we cache it
1637
 
        self.assertEqual([('read_link', 'a', ''),
1638
 
                          ('read_link', 'a', ''),
1639
 
                          ('read_link', 'a', ''),
1640
 
                         ], state._log)
1641
 
        self.assertEqual([('l', 'target', 6, False, packed_stat)],
1642
 
                         entry[1])
1643
 
 
1644
 
        # Another call won't re-read the link
1645
 
        self.assertEqual([('read_link', 'a', ''),
1646
 
                          ('read_link', 'a', ''),
1647
 
                          ('read_link', 'a', ''),
1648
 
                         ], state._log)
1649
 
        link_or_sha1 = state.update_entry(entry, abspath='a',
1650
 
                                          stat_value=stat_value)
1651
 
        self.assertEqual('target', link_or_sha1)
1652
 
        self.assertEqual([('l', 'target', 6, False, packed_stat)],
1653
 
                         entry[1])
1654
 
 
1655
 
    def do_update_entry(self, state, entry, abspath):
1656
 
        stat_value = os.lstat(abspath)
1657
 
        return state.update_entry(entry, abspath, stat_value)
1658
 
 
1659
 
    def test_update_entry_dir(self):
1660
 
        state, entry = self.get_state_with_a()
1661
 
        self.build_tree(['a/'])
1662
 
        self.assertIs(None, self.do_update_entry(state, entry, 'a'))
1663
 
 
1664
 
    def test_update_entry_dir_unchanged(self):
1665
 
        state, entry = self.get_state_with_a()
1666
 
        self.build_tree(['a/'])
1667
 
        state.adjust_time(+20)
1668
 
        self.assertIs(None, self.do_update_entry(state, entry, 'a'))
1669
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
1670
 
                         state._dirblock_state)
1671
 
        state.save()
1672
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1673
 
                         state._dirblock_state)
1674
 
        self.assertIs(None, self.do_update_entry(state, entry, 'a'))
1675
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1676
 
                         state._dirblock_state)
1677
 
 
1678
 
    def test_update_entry_file_unchanged(self):
1679
 
        state, entry = self.get_state_with_a()
1680
 
        self.build_tree(['a'])
1681
 
        sha1sum = 'b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6'
1682
 
        state.adjust_time(+20)
1683
 
        self.assertEqual(sha1sum, self.do_update_entry(state, entry, 'a'))
1684
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_MODIFIED,
1685
 
                         state._dirblock_state)
1686
 
        state.save()
1687
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1688
 
                         state._dirblock_state)
1689
 
        self.assertEqual(sha1sum, self.do_update_entry(state, entry, 'a'))
1690
 
        self.assertEqual(dirstate.DirState.IN_MEMORY_UNMODIFIED,
1691
 
                         state._dirblock_state)
1692
 
 
1693
 
    def create_and_test_file(self, state, entry):
1694
 
        """Create a file at 'a' and verify the state finds it.
1695
 
 
1696
 
        The state should already be versioning *something* at 'a'. This makes
1697
 
        sure that state.update_entry recognizes it as a file.
1698
 
        """
1699
 
        self.build_tree(['a'])
1700
 
        stat_value = os.lstat('a')
1701
 
        packed_stat = dirstate.pack_stat(stat_value)
1702
 
 
1703
 
        link_or_sha1 = self.do_update_entry(state, entry, abspath='a')
1704
 
        self.assertEqual('b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6',
1705
 
                         link_or_sha1)
1706
 
        self.assertEqual([('f', link_or_sha1, 14, False, packed_stat)],
1707
 
                         entry[1])
1708
 
        return packed_stat
1709
 
 
1710
 
    def create_and_test_dir(self, state, entry):
1711
 
        """Create a directory at 'a' and verify the state finds it.
1712
 
 
1713
 
        The state should already be versioning *something* at 'a'. This makes
1714
 
        sure that state.update_entry recognizes it as a directory.
1715
 
        """
1716
 
        self.build_tree(['a/'])
1717
 
        stat_value = os.lstat('a')
1718
 
        packed_stat = dirstate.pack_stat(stat_value)
1719
 
 
1720
 
        link_or_sha1 = self.do_update_entry(state, entry, abspath='a')
1721
 
        self.assertIs(None, link_or_sha1)
1722
 
        self.assertEqual([('d', '', 0, False, packed_stat)], entry[1])
1723
 
 
1724
 
        return packed_stat
1725
 
 
1726
 
    def create_and_test_symlink(self, state, entry):
1727
 
        """Create a symlink at 'a' and verify the state finds it.
1728
 
 
1729
 
        The state should already be versioning *something* at 'a'. This makes
1730
 
        sure that state.update_entry recognizes it as a symlink.
1731
 
 
1732
 
        This should not be called if this platform does not have symlink
1733
 
        support.
1734
 
        """
1735
 
        # caller should care about skipping test on platforms without symlinks
1736
 
        os.symlink('path/to/foo', 'a')
1737
 
 
1738
 
        stat_value = os.lstat('a')
1739
 
        packed_stat = dirstate.pack_stat(stat_value)
1740
 
 
1741
 
        link_or_sha1 = self.do_update_entry(state, entry, abspath='a')
1742
 
        self.assertEqual('path/to/foo', link_or_sha1)
1743
 
        self.assertEqual([('l', 'path/to/foo', 11, False, packed_stat)],
1744
 
                         entry[1])
1745
 
        return packed_stat
1746
 
 
1747
 
    def test_update_file_to_dir(self):
1748
 
        """If a file changes to a directory we return None for the sha.
1749
 
        We also update the inventory record.
1750
 
        """
1751
 
        state, entry = self.get_state_with_a()
1752
 
        # The file sha1 won't be cached unless the file is old
1753
 
        state.adjust_time(+10)
1754
 
        self.create_and_test_file(state, entry)
1755
 
        os.remove('a')
1756
 
        self.create_and_test_dir(state, entry)
1757
 
 
1758
 
    def test_update_file_to_symlink(self):
1759
 
        """File becomes a symlink"""
1760
 
        if not osutils.has_symlinks():
1761
 
            # PlatformDeficiency / TestSkipped
1762
 
            raise TestSkipped("No symlink support")
1763
 
        state, entry = self.get_state_with_a()
1764
 
        # The file sha1 won't be cached unless the file is old
1765
 
        state.adjust_time(+10)
1766
 
        self.create_and_test_file(state, entry)
1767
 
        os.remove('a')
1768
 
        self.create_and_test_symlink(state, entry)
1769
 
 
1770
 
    def test_update_dir_to_file(self):
1771
 
        """Directory becoming a file updates the entry."""
1772
 
        state, entry = self.get_state_with_a()
1773
 
        # The file sha1 won't be cached unless the file is old
1774
 
        state.adjust_time(+10)
1775
 
        self.create_and_test_dir(state, entry)
1776
 
        os.rmdir('a')
1777
 
        self.create_and_test_file(state, entry)
1778
 
 
1779
 
    def test_update_dir_to_symlink(self):
1780
 
        """Directory becomes a symlink"""
1781
 
        if not osutils.has_symlinks():
1782
 
            # PlatformDeficiency / TestSkipped
1783
 
            raise TestSkipped("No symlink support")
1784
 
        state, entry = self.get_state_with_a()
1785
 
        # The symlink target won't be cached if it isn't old
1786
 
        state.adjust_time(+10)
1787
 
        self.create_and_test_dir(state, entry)
1788
 
        os.rmdir('a')
1789
 
        self.create_and_test_symlink(state, entry)
1790
 
 
1791
 
    def test_update_symlink_to_file(self):
1792
 
        """Symlink becomes a file"""
1793
 
        if not has_symlinks():
1794
 
            raise TestSkipped("No symlink support")
1795
 
        state, entry = self.get_state_with_a()
1796
 
        # The symlink and file info won't be cached unless old
1797
 
        state.adjust_time(+10)
1798
 
        self.create_and_test_symlink(state, entry)
1799
 
        os.remove('a')
1800
 
        self.create_and_test_file(state, entry)
1801
 
 
1802
 
    def test_update_symlink_to_dir(self):
1803
 
        """Symlink becomes a directory"""
1804
 
        if not has_symlinks():
1805
 
            raise TestSkipped("No symlink support")
1806
 
        state, entry = self.get_state_with_a()
1807
 
        # The symlink target won't be cached if it isn't old
1808
 
        state.adjust_time(+10)
1809
 
        self.create_and_test_symlink(state, entry)
1810
 
        os.remove('a')
1811
 
        self.create_and_test_dir(state, entry)
1812
 
 
1813
 
    def test__is_executable_win32(self):
1814
 
        state, entry = self.get_state_with_a()
1815
 
        self.build_tree(['a'])
1816
 
 
1817
 
        # Make sure we are using the win32 implementation of _is_executable
1818
 
        state._is_executable = state._is_executable_win32
1819
 
 
1820
 
        # The file on disk is not executable, but we are marking it as though
1821
 
        # it is. With _is_executable_win32 we ignore what is on disk.
1822
 
        entry[1][0] = ('f', '', 0, True, dirstate.DirState.NULLSTAT)
1823
 
 
1824
 
        stat_value = os.lstat('a')
1825
 
        packed_stat = dirstate.pack_stat(stat_value)
1826
 
 
1827
 
        state.adjust_time(-10) # Make sure everything is new
1828
 
        state.update_entry(entry, abspath='a', stat_value=stat_value)
1829
 
 
1830
 
        # The row is updated, but the executable bit stays set.
1831
 
        self.assertEqual([('f', '', 14, True, dirstate.DirState.NULLSTAT)],
1832
 
                         entry[1])
1833
 
 
1834
 
        # Make the disk object look old enough to cache
1835
 
        state.adjust_time(+20)
1836
 
        digest = 'b50e5406bb5e153ebbeb20268fcf37c87e1ecfb6'
1837
 
        state.update_entry(entry, abspath='a', stat_value=stat_value)
1838
 
        self.assertEqual([('f', digest, 14, True, packed_stat)], entry[1])
1839
 
 
1840
 
 
1841
 
class TestPackStat(TestCaseWithTransport):
1842
 
 
1843
 
    def assertPackStat(self, expected, stat_value):
1844
 
        """Check the packed and serialized form of a stat value."""
1845
 
        self.assertEqual(expected, dirstate.pack_stat(stat_value))
1846
 
 
1847
 
    def test_pack_stat_int(self):
1848
 
        st = _FakeStat(6859L, 1172758614, 1172758617, 777L, 6499538L, 0100644)
1849
 
        # Make sure that all parameters have an impact on the packed stat.
1850
 
        self.assertPackStat('AAAay0Xm4FZF5uBZAAADCQBjLNIAAIGk', st)
1851
 
        st.st_size = 7000L
1852
 
        #                ay0 => bWE
1853
 
        self.assertPackStat('AAAbWEXm4FZF5uBZAAADCQBjLNIAAIGk', st)
1854
 
        st.st_mtime = 1172758620
1855
 
        #                     4FZ => 4Fx
1856
 
        self.assertPackStat('AAAbWEXm4FxF5uBZAAADCQBjLNIAAIGk', st)
1857
 
        st.st_ctime = 1172758630
1858
 
        #                          uBZ => uBm
1859
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
1860
 
        st.st_dev = 888L
1861
 
        #                                DCQ => DeA
1862
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNIAAIGk', st)
1863
 
        st.st_ino = 6499540L
1864
 
        #                                     LNI => LNQ
1865
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNQAAIGk', st)
1866
 
        st.st_mode = 0100744
1867
 
        #                                          IGk => IHk
1868
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADeABjLNQAAIHk', st)
1869
 
 
1870
 
    def test_pack_stat_float(self):
1871
 
        """On some platforms mtime and ctime are floats.
1872
 
 
1873
 
        Make sure we don't get warnings or errors, and that we ignore changes <
1874
 
        1s
1875
 
        """
1876
 
        st = _FakeStat(7000L, 1172758614.0, 1172758617.0,
1877
 
                       777L, 6499538L, 0100644)
1878
 
        # These should all be the same as the integer counterparts
1879
 
        self.assertPackStat('AAAbWEXm4FZF5uBZAAADCQBjLNIAAIGk', st)
1880
 
        st.st_mtime = 1172758620.0
1881
 
        #                     FZF5 => FxF5
1882
 
        self.assertPackStat('AAAbWEXm4FxF5uBZAAADCQBjLNIAAIGk', st)
1883
 
        st.st_ctime = 1172758630.0
1884
 
        #                          uBZ => uBm
1885
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
1886
 
        # fractional seconds are discarded, so no change from above
1887
 
        st.st_mtime = 1172758620.453
1888
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
1889
 
        st.st_ctime = 1172758630.228
1890
 
        self.assertPackStat('AAAbWEXm4FxF5uBmAAADCQBjLNIAAIGk', st)
1891
 
 
1892
 
 
1893
 
class TestBisect(TestCaseWithDirState):
1894
 
    """Test the ability to bisect into the disk format."""
1895
 
 
1896
 
    def assertBisect(self, expected_map, map_keys, state, paths):
1897
 
        """Assert that bisecting for paths returns the right result.
1898
 
 
1899
 
        :param expected_map: A map from key => entry value
1900
 
        :param map_keys: The keys to expect for each path
1901
 
        :param state: The DirState object.
1902
 
        :param paths: A list of paths, these will automatically be split into
1903
 
                      (dir, name) tuples, and sorted according to how _bisect
1904
 
                      requires.
1905
 
        """
1906
 
        result = state._bisect(paths)
1907
 
        # For now, results are just returned in whatever order we read them.
1908
 
        # We could sort by (dir, name, file_id) or something like that, but in
1909
 
        # the end it would still be fairly arbitrary, and we don't want the
1910
 
        # extra overhead if we can avoid it. So sort everything to make sure
1911
 
        # equality is true
1912
 
        assert len(map_keys) == len(paths)
1913
 
        expected = {}
1914
 
        for path, keys in zip(paths, map_keys):
1915
 
            if keys is None:
1916
 
                # This should not be present in the output
1917
 
                continue
1918
 
            expected[path] = sorted(expected_map[k] for k in keys)
1919
 
 
1920
 
        # The returned values are just arranged randomly based on when they
1921
 
        # were read, for testing, make sure it is properly sorted.
1922
 
        for path in result:
1923
 
            result[path].sort()
1924
 
 
1925
 
        self.assertEqual(expected, result)
1926
 
 
1927
 
    def assertBisectDirBlocks(self, expected_map, map_keys, state, paths):
1928
 
        """Assert that bisecting for dirbblocks returns the right result.
1929
 
 
1930
 
        :param expected_map: A map from key => expected values
1931
 
        :param map_keys: A nested list of paths we expect to be returned.
1932
 
            Something like [['a', 'b', 'f'], ['b/c', 'b/d']]
1933
 
        :param state: The DirState object.
1934
 
        :param paths: A list of directories
1935
 
        """
1936
 
        result = state._bisect_dirblocks(paths)
1937
 
        assert len(map_keys) == len(paths)
1938
 
 
1939
 
        expected = {}
1940
 
        for path, keys in zip(paths, map_keys):
1941
 
            if keys is None:
1942
 
                # This should not be present in the output
1943
 
                continue
1944
 
            expected[path] = sorted(expected_map[k] for k in keys)
1945
 
        for path in result:
1946
 
            result[path].sort()
1947
 
 
1948
 
        self.assertEqual(expected, result)
1949
 
 
1950
 
    def assertBisectRecursive(self, expected_map, map_keys, state, paths):
1951
 
        """Assert the return value of a recursive bisection.
1952
 
 
1953
 
        :param expected_map: A map from key => entry value
1954
 
        :param map_keys: A list of paths we expect to be returned.
1955
 
            Something like ['a', 'b', 'f', 'b/d', 'b/d2']
1956
 
        :param state: The DirState object.
1957
 
        :param paths: A list of files and directories. It will be broken up
1958
 
            into (dir, name) pairs and sorted before calling _bisect_recursive.
1959
 
        """
1960
 
        expected = {}
1961
 
        for key in map_keys:
1962
 
            entry = expected_map[key]
1963
 
            dir_name_id, trees_info = entry
1964
 
            expected[dir_name_id] = trees_info
1965
 
 
1966
 
        result = state._bisect_recursive(paths)
1967
 
 
1968
 
        self.assertEqual(expected, result)
1969
 
 
1970
 
    def test_bisect_each(self):
1971
 
        """Find a single record using bisect."""
1972
 
        tree, state, expected = self.create_basic_dirstate()
1973
 
 
1974
 
        # Bisect should return the rows for the specified files.
1975
 
        self.assertBisect(expected, [['']], state, [''])
1976
 
        self.assertBisect(expected, [['a']], state, ['a'])
1977
 
        self.assertBisect(expected, [['b']], state, ['b'])
1978
 
        self.assertBisect(expected, [['b/c']], state, ['b/c'])
1979
 
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
1980
 
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
1981
 
        self.assertBisect(expected, [['b-c']], state, ['b-c'])
1982
 
        self.assertBisect(expected, [['f']], state, ['f'])
1983
 
 
1984
 
    def test_bisect_multi(self):
1985
 
        """Bisect can be used to find multiple records at the same time."""
1986
 
        tree, state, expected = self.create_basic_dirstate()
1987
 
        # Bisect should be capable of finding multiple entries at the same time
1988
 
        self.assertBisect(expected, [['a'], ['b'], ['f']],
1989
 
                          state, ['a', 'b', 'f'])
1990
 
        self.assertBisect(expected, [['f'], ['b/d'], ['b/d/e']],
1991
 
                          state, ['f', 'b/d', 'b/d/e'])
1992
 
        self.assertBisect(expected, [['b'], ['b-c'], ['b/c']],
1993
 
                          state, ['b', 'b-c', 'b/c'])
1994
 
 
1995
 
    def test_bisect_one_page(self):
1996
 
        """Test bisect when there is only 1 page to read"""
1997
 
        tree, state, expected = self.create_basic_dirstate()
1998
 
        state._bisect_page_size = 5000
1999
 
        self.assertBisect(expected,[['']], state, [''])
2000
 
        self.assertBisect(expected,[['a']], state, ['a'])
2001
 
        self.assertBisect(expected,[['b']], state, ['b'])
2002
 
        self.assertBisect(expected,[['b/c']], state, ['b/c'])
2003
 
        self.assertBisect(expected,[['b/d']], state, ['b/d'])
2004
 
        self.assertBisect(expected,[['b/d/e']], state, ['b/d/e'])
2005
 
        self.assertBisect(expected,[['b-c']], state, ['b-c'])
2006
 
        self.assertBisect(expected,[['f']], state, ['f'])
2007
 
        self.assertBisect(expected,[['a'], ['b'], ['f']],
2008
 
                          state, ['a', 'b', 'f'])
2009
 
        self.assertBisect(expected, [['b/d'], ['b/d/e'], ['f']],
2010
 
                          state, ['b/d', 'b/d/e', 'f'])
2011
 
        self.assertBisect(expected, [['b'], ['b/c'], ['b-c']],
2012
 
                          state, ['b', 'b/c', 'b-c'])
2013
 
 
2014
 
    def test_bisect_duplicate_paths(self):
2015
 
        """When bisecting for a path, handle multiple entries."""
2016
 
        tree, state, expected = self.create_duplicated_dirstate()
2017
 
 
2018
 
        # Now make sure that both records are properly returned.
2019
 
        self.assertBisect(expected, [['']], state, [''])
2020
 
        self.assertBisect(expected, [['a', 'a2']], state, ['a'])
2021
 
        self.assertBisect(expected, [['b', 'b2']], state, ['b'])
2022
 
        self.assertBisect(expected, [['b/c', 'b/c2']], state, ['b/c'])
2023
 
        self.assertBisect(expected, [['b/d', 'b/d2']], state, ['b/d'])
2024
 
        self.assertBisect(expected, [['b/d/e', 'b/d/e2']],
2025
 
                          state, ['b/d/e'])
2026
 
        self.assertBisect(expected, [['b-c', 'b-c2']], state, ['b-c'])
2027
 
        self.assertBisect(expected, [['f', 'f2']], state, ['f'])
2028
 
 
2029
 
    def test_bisect_page_size_too_small(self):
2030
 
        """If the page size is too small, we will auto increase it."""
2031
 
        tree, state, expected = self.create_basic_dirstate()
2032
 
        state._bisect_page_size = 50
2033
 
        self.assertBisect(expected, [None], state, ['b/e'])
2034
 
        self.assertBisect(expected, [['a']], state, ['a'])
2035
 
        self.assertBisect(expected, [['b']], state, ['b'])
2036
 
        self.assertBisect(expected, [['b/c']], state, ['b/c'])
2037
 
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
2038
 
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
2039
 
        self.assertBisect(expected, [['b-c']], state, ['b-c'])
2040
 
        self.assertBisect(expected, [['f']], state, ['f'])
2041
 
 
2042
 
    def test_bisect_missing(self):
2043
 
        """Test that bisect return None if it cannot find a path."""
2044
 
        tree, state, expected = self.create_basic_dirstate()
2045
 
        self.assertBisect(expected, [None], state, ['foo'])
2046
 
        self.assertBisect(expected, [None], state, ['b/foo'])
2047
 
        self.assertBisect(expected, [None], state, ['bar/foo'])
2048
 
        self.assertBisect(expected, [None], state, ['b-c/foo'])
2049
 
 
2050
 
        self.assertBisect(expected, [['a'], None, ['b/d']],
2051
 
                          state, ['a', 'foo', 'b/d'])
2052
 
 
2053
 
    def test_bisect_rename(self):
2054
 
        """Check that we find a renamed row."""
2055
 
        tree, state, expected = self.create_renamed_dirstate()
2056
 
 
2057
 
        # Search for the pre and post renamed entries
2058
 
        self.assertBisect(expected, [['a']], state, ['a'])
2059
 
        self.assertBisect(expected, [['b/g']], state, ['b/g'])
2060
 
        self.assertBisect(expected, [['b/d']], state, ['b/d'])
2061
 
        self.assertBisect(expected, [['h']], state, ['h'])
2062
 
 
2063
 
        # What about b/d/e? shouldn't that also get 2 directory entries?
2064
 
        self.assertBisect(expected, [['b/d/e']], state, ['b/d/e'])
2065
 
        self.assertBisect(expected, [['h/e']], state, ['h/e'])
2066
 
 
2067
 
    def test_bisect_dirblocks(self):
2068
 
        tree, state, expected = self.create_duplicated_dirstate()
2069
 
        self.assertBisectDirBlocks(expected,
2070
 
            [['', 'a', 'a2', 'b', 'b2', 'b-c', 'b-c2', 'f', 'f2']],
2071
 
            state, [''])
2072
 
        self.assertBisectDirBlocks(expected,
2073
 
            [['b/c', 'b/c2', 'b/d', 'b/d2']], state, ['b'])
2074
 
        self.assertBisectDirBlocks(expected,
2075
 
            [['b/d/e', 'b/d/e2']], state, ['b/d'])
2076
 
        self.assertBisectDirBlocks(expected,
2077
 
            [['', 'a', 'a2', 'b', 'b2', 'b-c', 'b-c2', 'f', 'f2'],
2078
 
             ['b/c', 'b/c2', 'b/d', 'b/d2'],
2079
 
             ['b/d/e', 'b/d/e2'],
2080
 
            ], state, ['', 'b', 'b/d'])
2081
 
 
2082
 
    def test_bisect_dirblocks_missing(self):
2083
 
        tree, state, expected = self.create_basic_dirstate()
2084
 
        self.assertBisectDirBlocks(expected, [['b/d/e'], None],
2085
 
            state, ['b/d', 'b/e'])
2086
 
        # Files don't show up in this search
2087
 
        self.assertBisectDirBlocks(expected, [None], state, ['a'])
2088
 
        self.assertBisectDirBlocks(expected, [None], state, ['b/c'])
2089
 
        self.assertBisectDirBlocks(expected, [None], state, ['c'])
2090
 
        self.assertBisectDirBlocks(expected, [None], state, ['b/d/e'])
2091
 
        self.assertBisectDirBlocks(expected, [None], state, ['f'])
2092
 
 
2093
 
    def test_bisect_recursive_each(self):
2094
 
        tree, state, expected = self.create_basic_dirstate()
2095
 
        self.assertBisectRecursive(expected, ['a'], state, ['a'])
2096
 
        self.assertBisectRecursive(expected, ['b/c'], state, ['b/c'])
2097
 
        self.assertBisectRecursive(expected, ['b/d/e'], state, ['b/d/e'])
2098
 
        self.assertBisectRecursive(expected, ['b-c'], state, ['b-c'])
2099
 
        self.assertBisectRecursive(expected, ['b/d', 'b/d/e'],
2100
 
                                   state, ['b/d'])
2101
 
        self.assertBisectRecursive(expected, ['b', 'b/c', 'b/d', 'b/d/e'],
2102
 
                                   state, ['b'])
2103
 
        self.assertBisectRecursive(expected, ['', 'a', 'b', 'b-c', 'f', 'b/c',
2104
 
                                              'b/d', 'b/d/e'],
2105
 
                                   state, [''])
2106
 
 
2107
 
    def test_bisect_recursive_multiple(self):
2108
 
        tree, state, expected = self.create_basic_dirstate()
2109
 
        self.assertBisectRecursive(expected, ['a', 'b/c'], state, ['a', 'b/c'])
2110
 
        self.assertBisectRecursive(expected, ['b/d', 'b/d/e'],
2111
 
                                   state, ['b/d', 'b/d/e'])
2112
 
 
2113
 
    def test_bisect_recursive_missing(self):
2114
 
        tree, state, expected = self.create_basic_dirstate()
2115
 
        self.assertBisectRecursive(expected, [], state, ['d'])
2116
 
        self.assertBisectRecursive(expected, [], state, ['b/e'])
2117
 
        self.assertBisectRecursive(expected, [], state, ['g'])
2118
 
        self.assertBisectRecursive(expected, ['a'], state, ['a', 'g'])
2119
 
 
2120
 
    def test_bisect_recursive_renamed(self):
2121
 
        tree, state, expected = self.create_renamed_dirstate()
2122
 
 
2123
 
        # Looking for either renamed item should find the other
2124
 
        self.assertBisectRecursive(expected, ['a', 'b/g'], state, ['a'])
2125
 
        self.assertBisectRecursive(expected, ['a', 'b/g'], state, ['b/g'])
2126
 
        # Looking in the containing directory should find the rename target,
2127
 
        # and anything in a subdir of the renamed target.
2128
 
        self.assertBisectRecursive(expected, ['a', 'b', 'b/c', 'b/d',
2129
 
                                              'b/d/e', 'b/g', 'h', 'h/e'],
2130
 
                                   state, ['b'])
2131
 
 
2132
 
 
2133
 
class TestDirstateValidation(TestCaseWithDirState):
2134
 
 
2135
 
    def test_validate_correct_dirstate(self):
2136
 
        state = self.create_complex_dirstate()
2137
 
        state._validate()
2138
 
        state.unlock()
2139
 
        # and make sure we can also validate with a read lock
2140
 
        state.lock_read()
2141
 
        try:
2142
 
            state._validate()
2143
 
        finally:
2144
 
            state.unlock()
2145
 
 
2146
 
    def test_dirblock_not_sorted(self):
2147
 
        tree, state, expected = self.create_renamed_dirstate()
2148
 
        state._read_dirblocks_if_needed()
2149
 
        last_dirblock = state._dirblocks[-1]
2150
 
        # we're appending to the dirblock, but this name comes before some of
2151
 
        # the existing names; that's wrong
2152
 
        last_dirblock[1].append(
2153
 
            (('h', 'aaaa', 'a-id'),
2154
 
             [('a', '', 0, False, ''),
2155
 
              ('a', '', 0, False, '')]))
2156
 
        e = self.assertRaises(AssertionError,
2157
 
            state._validate)
2158
 
        self.assertContainsRe(str(e), 'not sorted')
2159
 
 
2160
 
    def test_dirblock_name_mismatch(self):
2161
 
        tree, state, expected = self.create_renamed_dirstate()
2162
 
        state._read_dirblocks_if_needed()
2163
 
        last_dirblock = state._dirblocks[-1]
2164
 
        # add an entry with the wrong directory name
2165
 
        last_dirblock[1].append(
2166
 
            (('', 'z', 'a-id'),
2167
 
             [('a', '', 0, False, ''),
2168
 
              ('a', '', 0, False, '')]))
2169
 
        e = self.assertRaises(AssertionError,
2170
 
            state._validate)
2171
 
        self.assertContainsRe(str(e),
2172
 
            "doesn't match directory name")
2173
 
 
2174
 
    def test_dirblock_missing_rename(self):
2175
 
        tree, state, expected = self.create_renamed_dirstate()
2176
 
        state._read_dirblocks_if_needed()
2177
 
        last_dirblock = state._dirblocks[-1]
2178
 
        # make another entry for a-id, without a correct 'r' pointer to
2179
 
        # the real occurrence in the working tree
2180
 
        last_dirblock[1].append(
2181
 
            (('h', 'z', 'a-id'),
2182
 
             [('a', '', 0, False, ''),
2183
 
              ('a', '', 0, False, '')]))
2184
 
        e = self.assertRaises(AssertionError,
2185
 
            state._validate)
2186
 
        self.assertContainsRe(str(e),
2187
 
            'file a-id is absent in row')
2188
 
 
2189
 
 
2190
 
class TestDirstateTreeReference(TestCaseWithDirState):
2191
 
 
2192
 
    def test_reference_revision_is_none(self):
2193
 
        tree = self.make_branch_and_tree('tree', format='dirstate-with-subtree')
2194
 
        subtree = self.make_branch_and_tree('tree/subtree',
2195
 
                            format='dirstate-with-subtree')
2196
 
        subtree.set_root_id('subtree')
2197
 
        tree.add_reference(subtree)
2198
 
        tree.add('subtree')
2199
 
        state = dirstate.DirState.from_tree(tree, 'dirstate')
2200
 
        key = ('', 'subtree', 'subtree')
2201
 
        expected = ('', [(key,
2202
 
            [('t', '', 0, False, 'xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx')])])
2203
 
 
2204
 
        try:
2205
 
            self.assertEqual(expected, state._find_block(key))
2206
 
        finally:
2207
 
            state.unlock()